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Message-Id: <165264043470107@kroah.com>
Date: Sun, 15 May 2022 20:47:14 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.10.116
diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst
index 9daadf9faba1..ce398a7dc6cd 100644
--- a/Documentation/vm/memory-model.rst
+++ b/Documentation/vm/memory-model.rst
@@ -51,8 +51,7 @@ call :c:func:`free_area_init` function. Yet, the mappings array is not
usable until the call to :c:func:`memblock_free_all` that hands all the
memory to the page allocator.
-If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option,
-it may free parts of the `mem_map` array that do not cover the
+An architecture may free parts of the `mem_map` array that do not cover the
actual physical pages. In such case, the architecture specific
:c:func:`pfn_valid` implementation should take the holes in the
`mem_map` into account.
diff --git a/Makefile b/Makefile
index 86d3e137d7f2..c999de1b6a6b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 115
+SUBLEVEL = 116
EXTRAVERSION =
NAME = Dare mighty things
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a0eac00e2c81..b587ecc6f949 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -25,7 +25,7 @@ config ARM
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_GCOV_PROFILE_ALL
- select ARCH_KEEP_MEMBLOCK if HAVE_ARCH_PFN_VALID || KEXEC
+ select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
@@ -521,7 +521,6 @@ config ARCH_S3C24XX
config ARCH_OMAP1
bool "TI OMAP1"
depends on MMU
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_OMAP
select CLKDEV_LOOKUP
select CLKSRC_MMIO
@@ -1481,9 +1480,6 @@ config OABI_COMPAT
UNPREDICTABLE (in fact it can be predicted that it won't work
at all). If in doubt say N.
-config ARCH_HAS_HOLES_MEMORYMODEL
- bool
-
config ARCH_SELECT_MEMORY_MODEL
bool
@@ -1495,7 +1491,7 @@ config ARCH_SPARSEMEM_ENABLE
select SPARSEMEM_STATIC if SPARSEMEM
config HAVE_ARCH_PFN_VALID
- def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
+ def_bool y
config HIGHMEM
bool "High Memory Support"
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index ae790908fc74..9b594ae98153 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -211,7 +211,6 @@ config ARCH_BRCMSTB
select BCM7038_L1_IRQ
select BRCMSTB_L2_IRQ
select BCM7120_L2_IRQ
- select ARCH_HAS_HOLES_MEMORYMODEL
select ZONE_DMA if ARM_LPAE
select SOC_BRCMSTB
select SOC_BUS
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index f56ff8c24043..de11030748d0 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -5,7 +5,6 @@ menuconfig ARCH_DAVINCI
depends on ARCH_MULTI_V5
select DAVINCI_TIMER
select ZONE_DMA
- select ARCH_HAS_HOLES_MEMORYMODEL
select PM_GENERIC_DOMAINS if PM
select PM_GENERIC_DOMAINS_OF if PM && OF
select REGMAP_MMIO
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 56314b1c7408..b5df98ee5d17 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -8,7 +8,6 @@
menuconfig ARCH_EXYNOS
bool "Samsung Exynos"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_GIC
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig
index 1bc68913d62c..9de38ce8124f 100644
--- a/arch/arm/mach-highbank/Kconfig
+++ b/arch/arm/mach-highbank/Kconfig
@@ -2,7 +2,6 @@
config ARCH_HIGHBANK
bool "Calxeda ECX-1000/2000 (Highbank/Midway)"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_ERRATA_764369 if SMP
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3f62a0c9450d..164985505f9e 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -93,7 +93,6 @@ config SOC_DRA7XX
config ARCH_OMAP2PLUS
bool
select ARCH_HAS_BANDGAP
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_HAS_RESET_CONTROLLER
select ARCH_OMAP
select CLKSRC_MMIO
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 95d4e8284866..d644b45bc29d 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -8,7 +8,6 @@
config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
depends on ARCH_MULTI_V7
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_VIC
select CLKSRC_SAMSUNG_PWM
select COMMON_CLK_SAMSUNG
diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig
index 25b2fd434861..a9eeda36aeb1 100644
--- a/arch/arm/mach-tango/Kconfig
+++ b/arch/arm/mach-tango/Kconfig
@@ -3,7 +3,6 @@ config ARCH_TANGO
bool "Sigma Designs Tango4 (SMP87xx)"
depends on ARCH_MULTI_V7
# Cortex-A9 MPCore r3p0, PL310 r3p2
- select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_ERRATA_754322
select ARM_ERRATA_764369 if SMP
select ARM_ERRATA_775420
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 19308df5f577..1b06b25aea87 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -167,7 +167,7 @@ void __init plat_mem_setup(void)
dtb = phys_to_virt(fw_arg2);
else if (fw_passed_dtb) /* UHI interface or appended dtb */
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
else
panic("no dtb found");
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 51a218f04fe0..3f568f5aae2d 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -79,7 +79,7 @@ void __init plat_mem_setup(void)
if (fw_passed_dtb) /* UHI interface */
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
else
panic("no dtb found");
diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c
index 50f376f058f4..f232c77ff526 100644
--- a/arch/mips/pic32/pic32mzda/init.c
+++ b/arch/mips/pic32/pic32mzda/init.c
@@ -28,7 +28,7 @@ static ulong get_fdtaddr(void)
if (fw_passed_dtb && !fw_arg2 && !fw_arg3)
return (ulong)fw_passed_dtb;
- if (__dtb_start < __dtb_end)
+ if (&__dtb_start < &__dtb_end)
ftaddr = (ulong)__dtb_start;
return ftaddr;
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index a971f1aca096..3017263ac4f9 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -77,7 +77,7 @@ void __init plat_mem_setup(void)
*/
if (fw_passed_dtb)
dtb = (void *)fw_passed_dtb;
- else if (__dtb_start != __dtb_end)
+ else if (&__dtb_start != &__dtb_end)
dtb = (void *)__dtb_start;
__dt_setup_arch(dtb);
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index f8d0146bf785..54f77b4a0b49 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -790,9 +790,11 @@ int drbd_adm_set_role(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&adm_ctx.resource->adm_mutex);
if (info->genlhdr->cmd == DRBD_ADM_PRIMARY)
- retcode = drbd_set_role(adm_ctx.device, R_PRIMARY, parms.assume_uptodate);
+ retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+ R_PRIMARY, parms.assume_uptodate);
else
- retcode = drbd_set_role(adm_ctx.device, R_SECONDARY, 0);
+ retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+ R_SECONDARY, 0);
mutex_unlock(&adm_ctx.resource->adm_mutex);
genl_lock();
@@ -1962,7 +1964,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
drbd_flush_workqueue(&connection->sender_work);
rv = _drbd_request_state(device, NS(disk, D_ATTACHING), CS_VERBOSE);
- retcode = rv; /* FIXME: Type mismatch. */
+ retcode = (enum drbd_ret_code)rv;
drbd_resume_io(device);
if (rv < SS_SUCCESS)
goto fail;
@@ -2687,7 +2689,8 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
}
rcu_read_unlock();
- retcode = conn_request_state(connection, NS(conn, C_UNCONNECTED), CS_VERBOSE);
+ retcode = (enum drbd_ret_code)conn_request_state(connection,
+ NS(conn, C_UNCONNECTED), CS_VERBOSE);
conn_reconfig_done(connection);
mutex_unlock(&adm_ctx.resource->adm_mutex);
@@ -2800,7 +2803,7 @@ int drbd_adm_disconnect(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&adm_ctx.resource->adm_mutex);
rv = conn_try_disconnect(connection, parms.force_disconnect);
if (rv < SS_SUCCESS)
- retcode = rv; /* FIXME: Type mismatch. */
+ retcode = (enum drbd_ret_code)rv;
else
retcode = NO_ERROR;
mutex_unlock(&adm_ctx.resource->adm_mutex);
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
index 92280cc05e2d..dae8e489c8cf 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
@@ -53,8 +53,8 @@
*/
struct gpio_service *dal_gpio_service_create(
- enum dce_version dce_version_major,
- enum dce_version dce_version_minor,
+ enum dce_version dce_version,
+ enum dce_environment dce_environment,
struct dc_context *ctx)
{
struct gpio_service *service;
@@ -67,14 +67,14 @@ struct gpio_service *dal_gpio_service_create(
return NULL;
}
- if (!dal_hw_translate_init(&service->translate, dce_version_major,
- dce_version_minor)) {
+ if (!dal_hw_translate_init(&service->translate, dce_version,
+ dce_environment)) {
BREAK_TO_DEBUGGER();
goto failure_1;
}
- if (!dal_hw_factory_init(&service->factory, dce_version_major,
- dce_version_minor)) {
+ if (!dal_hw_factory_init(&service->factory, dce_version,
+ dce_environment)) {
BREAK_TO_DEBUGGER();
goto failure_1;
}
diff --git a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
index 9c55d247227e..7e3240e73c1f 100644
--- a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
+++ b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
@@ -42,8 +42,8 @@ void dal_gpio_destroy(
struct gpio **ptr);
struct gpio_service *dal_gpio_service_create(
- enum dce_version dce_version_major,
- enum dce_version dce_version_minor,
+ enum dce_version dce_version,
+ enum dce_environment dce_environment,
struct dc_context *ctx);
struct gpio *dal_gpio_service_create_irq(
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.c b/drivers/net/ethernet/netronome/nfp/nfp_asm.c
index 2643ea5948f4..154399c5453f 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_asm.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.c
@@ -196,7 +196,7 @@ int swreg_to_unrestricted(swreg dst, swreg lreg, swreg rreg,
}
reg->dst_lmextn = swreg_lmextn(dst);
- reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg);
+ reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0;
}
@@ -277,7 +277,7 @@ int swreg_to_restricted(swreg dst, swreg lreg, swreg rreg,
}
reg->dst_lmextn = swreg_lmextn(dst);
- reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg);
+ reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0;
}
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index e502414b3556..4d2e64e9016c 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -193,8 +193,6 @@ kclist_add_private(unsigned long pfn, unsigned long nr_pages, void *arg)
return 1;
p = pfn_to_page(pfn);
- if (!memmap_valid_within(pfn, p, page_zone(p)))
- return 1;
ent = kmalloc(sizeof(*ent), GFP_KERNEL);
if (!ent)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f3016b8e698a..b2e4599b8883 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1443,37 +1443,6 @@ struct mminit_pfnnid_cache {
#define pfn_valid_within(pfn) (1)
#endif
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
-/*
- * pfn_valid() is meant to be able to tell if a given PFN has valid memmap
- * associated with it or not. This means that a struct page exists for this
- * pfn. The caller cannot assume the page is fully initialized in general.
- * Hotplugable pages might not have been onlined yet. pfn_to_online_page()
- * will ensure the struct page is fully online and initialized. Special pages
- * (e.g. ZONE_DEVICE) are never onlined and should be treated accordingly.
- *
- * In FLATMEM, it is expected that holes always have valid memmap as long as
- * there is valid PFNs either side of the hole. In SPARSEMEM, it is assumed
- * that a valid section has a memmap for the entire section.
- *
- * However, an ARM, and maybe other embedded architectures in the future
- * free memmap backing holes to save memory on the assumption the memmap is
- * never used. The page_zone linkages are then broken even though pfn_valid()
- * returns true. A walker of the full memmap must then do this additional
- * check to ensure the memmap they are looking at is sane by making sure
- * the zone and PFN linkages are still valid. This is expensive, but walkers
- * of the full memmap are extremely rare.
- */
-bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone);
-#else
-static inline bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone)
-{
- return true;
-}
-#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
-
#endif /* !__GENERATING_BOUNDS.H */
#endif /* !__ASSEMBLY__ */
#endif /* _LINUX_MMZONE_H */
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 2024944fd2f7..20e84a84fb77 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -331,6 +331,12 @@ regulator_get_exclusive(struct device *dev, const char *id)
return ERR_PTR(-ENODEV);
}
+static inline struct regulator *__must_check
+devm_regulator_get_exclusive(struct device *dev, const char *id)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline struct regulator *__must_check
regulator_get_optional(struct device *dev, const char *id)
{
@@ -486,6 +492,11 @@ static inline int regulator_get_voltage(struct regulator *regulator)
return -EINVAL;
}
+static inline int regulator_sync_voltage(struct regulator *regulator)
+{
+ return -EINVAL;
+}
+
static inline int regulator_is_supported_voltage(struct regulator *regulator,
int min_uV, int max_uV)
{
@@ -578,6 +589,25 @@ static inline int devm_regulator_unregister_notifier(struct regulator *regulator
return 0;
}
+static inline int regulator_suspend_enable(struct regulator_dev *rdev,
+ suspend_state_t state)
+{
+ return -EINVAL;
+}
+
+static inline int regulator_suspend_disable(struct regulator_dev *rdev,
+ suspend_state_t state)
+{
+ return -EINVAL;
+}
+
+static inline int regulator_set_suspend_voltage(struct regulator *regulator,
+ int min_uV, int max_uV,
+ suspend_state_t state)
+{
+ return -EINVAL;
+}
+
static inline void *regulator_get_drvdata(struct regulator *regulator)
{
return NULL;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index a592a826e2fb..09104ca14a3e 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -35,6 +35,9 @@
/* HCI priority */
#define HCI_PRIO_MAX 7
+/* HCI maximum id value */
+#define HCI_MAX_ID 10000
+
/* HCI Core structures */
struct inquiry_data {
bdaddr_t bdaddr;
diff --git a/mm/memory.c b/mm/memory.c
index 14f91c7467d6..72236b1ce590 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5295,6 +5295,8 @@ long copy_huge_page_from_user(struct page *dst_page,
if (rc)
break;
+ flush_dcache_page(subpage);
+
cond_resched();
}
return ret_val;
diff --git a/mm/migrate.c b/mm/migrate.c
index 278e6f3fa62c..495bdac5cf92 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1010,9 +1010,12 @@ static int move_to_new_page(struct page *newpage, struct page *page,
if (!PageMappingFlags(page))
page->mapping = NULL;
- if (likely(!is_zone_device_page(newpage)))
- flush_dcache_page(newpage);
+ if (likely(!is_zone_device_page(newpage))) {
+ int i, nr = compound_nr(newpage);
+ for (i = 0; i < nr; i++)
+ flush_dcache_page(newpage + i);
+ }
}
out:
return rc;
diff --git a/mm/mmzone.c b/mm/mmzone.c
index 4686fdc23bb9..f337831affc2 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -72,20 +72,6 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z,
return z;
}
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
-bool memmap_valid_within(unsigned long pfn,
- struct page *page, struct zone *zone)
-{
- if (page_to_pfn(page) != pfn)
- return false;
-
- if (page_zone(page) != zone)
- return false;
-
- return true;
-}
-#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
-
void lruvec_init(struct lruvec *lruvec)
{
enum lru_list lru;
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 9a3d451402d7..078d95cd32c5 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -83,6 +83,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
/* don't free the page */
goto out;
}
+
+ flush_dcache_page(page);
} else {
page = *pagep;
*pagep = NULL;
@@ -595,6 +597,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
err = -EFAULT;
goto out;
}
+ flush_dcache_page(page);
goto retry;
} else
BUG_ON(page);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 698bc0bc18d1..e292e63afebf 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1503,10 +1503,6 @@ static void pagetypeinfo_showblockcount_print(struct seq_file *m,
if (!page)
continue;
- /* Watch for unexpected holes punched in the memmap */
- if (!memmap_valid_within(pfn, page, zone))
- continue;
-
if (page_zone(page) != zone)
continue;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2e7998bad133..c331b4176de7 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3718,10 +3718,10 @@ int hci_register_dev(struct hci_dev *hdev)
*/
switch (hdev->dev_type) {
case HCI_PRIMARY:
- id = ida_simple_get(&hci_index_ida, 0, 0, GFP_KERNEL);
+ id = ida_simple_get(&hci_index_ida, 0, HCI_MAX_ID, GFP_KERNEL);
break;
case HCI_AMP:
- id = ida_simple_get(&hci_index_ida, 1, 0, GFP_KERNEL);
+ id = ida_simple_get(&hci_index_ida, 1, HCI_MAX_ID, GFP_KERNEL);
break;
default:
return -EINVAL;
@@ -3730,7 +3730,7 @@ int hci_register_dev(struct hci_dev *hdev)
if (id < 0)
return id;
- sprintf(hdev->name, "hci%d", id);
+ snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
hdev->id = id;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
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