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Date: Tue, 02 Aug 2011 18:21:26 +0200
From: Thomas Meyer <thomas@...3r.de>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org
Subject: [PATCH] Use kstrdup rather than duplicating its implementation
The semantic patch that makes this output is available
in scripts/coccinelle/api/kstrdup.cocci.
More information about semantic patching is available at
http://coccinelle.lip6.fr/
Signed-off-by: Thomas Meyer <thomas@...3r.de>
---
diff -u -p a/fs/reiserfs/super.c b/fs/reiserfs/super.c
--- a/fs/reiserfs/super.c 2011-07-26 00:46:10.533500551 +0200
+++ b/fs/reiserfs/super.c 2011-08-01 20:57:26.561121140 +0200
@@ -1021,8 +1021,7 @@ static int reiserfs_parse_options(struct
"on filesystem root.");
return 0;
}
- qf_names[qtype] =
- kmalloc(strlen(arg) + 1, GFP_KERNEL);
+ qf_names[qtype] = kstrdup(arg, GFP_KERNEL);
if (!qf_names[qtype]) {
reiserfs_warning(s, "reiserfs-2502",
"not enough memory "
@@ -1030,7 +1029,6 @@ static int reiserfs_parse_options(struct
"quotafile name.");
return 0;
}
- strcpy(qf_names[qtype], arg);
*mount_options |= 1 << REISERFS_QUOTA;
} else {
if (qf_names[qtype] !=
diff -u -p a/drivers/message/i2o/memory.c b/drivers/message/i2o/memory.c
--- a/drivers/message/i2o/memory.c 2010-03-27 23:39:49.118521162 +0100
+++ b/drivers/message/i2o/memory.c 2011-08-01 21:02:30.929472234 +0200
@@ -270,10 +270,9 @@ EXPORT_SYMBOL_GPL(i2o_dma_realloc);
int i2o_pool_alloc(struct i2o_pool *pool, const char *name,
size_t size, int min_nr)
{
- pool->name = kmalloc(strlen(name) + 1, GFP_KERNEL);
+ pool->name = kstrdup(name, GFP_KERNEL);
if (!pool->name)
goto exit;
- strcpy(pool->name, name);
pool->slab =
kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL);
diff -u -p a/drivers/acpi/scan.c b/drivers/acpi/scan.c
--- a/drivers/acpi/scan.c 2011-05-04 19:24:51.386504770 +0200
+++ b/drivers/acpi/scan.c 2011-08-01 21:02:46.489387939 +0200
@@ -1062,13 +1062,12 @@ static void acpi_add_id(struct acpi_devi
if (!id)
return;
- id->id = kmalloc(strlen(dev_id) + 1, GFP_KERNEL);
+ id->id = kstrdup(dev_id, GFP_KERNEL);
if (!id->id) {
kfree(id);
return;
}
- strcpy(id->id, dev_id);
list_add_tail(&id->list, &device->pnp.ids);
}
diff -u -p a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
--- a/drivers/char/ipmi/ipmi_msghandler.c 2011-05-27 19:17:04.559520123 +0200
+++ b/drivers/char/ipmi/ipmi_msghandler.c 2011-08-01 21:10:43.970134537 +0200
@@ -2030,12 +2030,11 @@ int ipmi_smi_add_proc_entry(ipmi_smi_t s
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
- entry->name = kmalloc(strlen(name)+1, GFP_KERNEL);
+ entry->name = kstrdup(name, GFP_KERNEL);
if (!entry->name) {
kfree(entry);
return -ENOMEM;
}
- strcpy(entry->name, name);
file = proc_create_data(name, 0, smi->proc_dir, proc_ops, data);
if (!file) {
diff -u -p a/drivers/staging/brcm80211/brcmfmac/dhd_common.c b/drivers/staging/brcm80211/brcmfmac/dhd_common.c
--- a/drivers/staging/brcm80211/brcmfmac/dhd_common.c 2011-07-28 15:32:17.849920483 +0200
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_common.c 2011-08-01 21:13:55.222431768 +0200
@@ -944,7 +944,7 @@ void brcmf_c_pktfilter_offload_set(struc
int i = 0;
char *arg_save = 0, *arg_org = 0;
- arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
+ arg_save = kstrdup(arg, GFP_ATOMIC);
if (!arg_save) {
BRCMF_ERROR(("%s: kmalloc failed\n", __func__));
goto fail;
@@ -958,8 +958,6 @@ void brcmf_c_pktfilter_offload_set(struc
goto fail;
}
- strcpy(arg_save, arg);
-
argv[i] = strsep(&arg_save, " ");
while (argv[i++])
argv[i] = strsep(&arg_save, " ");
diff -u -p a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
--- a/drivers/scsi/aic7xxx/aic7770_osm.c 2010-09-13 07:01:17.513861341 +0200
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c 2011-08-01 21:15:57.315103668 +0200
@@ -85,10 +85,9 @@ aic7770_probe(struct device *dev)
int error;
sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(&aic7xxx_driver_template, name);
if (ahc == NULL)
return (ENOMEM);
diff -u -p a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c 2010-09-13 07:01:17.527194675 +0200
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c 2011-08-01 21:15:57.685101664 +0200
@@ -225,10 +225,9 @@ ahc_linux_pci_dev_probe(struct pci_dev *
ahc_get_pci_bus(pci),
ahc_get_pci_slot(pci),
ahc_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(NULL, name);
if (ahc == NULL)
return (-ENOMEM);
diff -u -p a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c 2010-09-13 07:01:17.520528007 +0200
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c 2011-08-01 21:15:58.925094946 +0200
@@ -178,10 +178,9 @@ ahd_linux_pci_dev_probe(struct pci_dev *
ahd_get_pci_bus(pci),
ahd_get_pci_slot(pci),
ahd_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahd = ahd_alloc(NULL, name);
if (ahd == NULL)
return (-ENOMEM);
diff -u -p a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
--- a/arch/arm/mach-omap2/mux.c 2011-06-10 21:39:11.837703903 +0200
+++ b/arch/arm/mach-omap2/mux.c 2011-08-01 21:25:41.888603428 +0200
@@ -821,11 +821,10 @@ static void __init omap_mux_set_cmdline_
if (!omap_mux_options)
return;
- options = kmalloc(strlen(omap_mux_options) + 1, GFP_KERNEL);
+ options = kstrdup(omap_mux_options, GFP_KERNEL);
if (!options)
return;
- strcpy(options, omap_mux_options);
next_opt = options;
while ((token = strsep(&next_opt, ",")) != NULL) {
@@ -855,24 +854,19 @@ static int __init omap_mux_copy_names(st
for (i = 0; i < OMAP_MUX_NR_MODES; i++) {
if (src->muxnames[i]) {
- dst->muxnames[i] =
- kmalloc(strlen(src->muxnames[i]) + 1,
- GFP_KERNEL);
+ dst->muxnames[i] = kstrdup(src->muxnames[i],
+ GFP_KERNEL);
if (!dst->muxnames[i])
goto free;
- strcpy(dst->muxnames[i], src->muxnames[i]);
}
}
#ifdef CONFIG_DEBUG_FS
for (i = 0; i < OMAP_MUX_NR_SIDES; i++) {
if (src->balls[i]) {
- dst->balls[i] =
- kmalloc(strlen(src->balls[i]) + 1,
- GFP_KERNEL);
+ dst->balls[i] = kstrdup(src->balls[i], GFP_KERNEL);
if (!dst->balls[i])
goto free;
- strcpy(dst->balls[i], src->balls[i]);
}
}
#endif
--
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