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Message-Id: <20180802084245.239689-6-toddpoynor@gmail.com>
Date: Thu, 2 Aug 2018 01:42:42 -0700
From: Todd Poynor <toddpoynor@...il.com>
To: Rob Springer <rspringer@...gle.com>,
John Joseph <jnjoseph@...gle.com>,
Ben Chan <benchan@...omium.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Dmitry Torokhov <dtor@...omium.org>, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org, Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 5/8] staging: gasket: core: add subsystem and device info to error logs
From: Todd Poynor <toddpoynor@...gle.com>
Identify gasket as the subsystem printing various error messages.
Add the driver name to appropriate messages to indicate which driver
has a problem.
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
drivers/staging/gasket/gasket_core.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 36c077fffc41c..19331feb9b09f 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -160,7 +160,7 @@ static int gasket_find_dev_slot(struct gasket_internal_desc *internal_desc,
for (i = 0; i < GASKET_DEV_MAX; i++) {
if (internal_desc->devs[i] &&
strcmp(internal_desc->devs[i]->kobj_name, kobj_name) == 0) {
- pr_err("Duplicate device %s\n", kobj_name);
+ pr_err("gasket: Duplicate device %s\n", kobj_name);
mutex_unlock(&internal_desc->mutex);
return -EBUSY;
}
@@ -173,7 +173,8 @@ static int gasket_find_dev_slot(struct gasket_internal_desc *internal_desc,
}
if (i == GASKET_DEV_MAX) {
- pr_err("Too many registered devices; max %d\n", GASKET_DEV_MAX);
+ pr_err("gasket: Too many registered devices, max %d\n",
+ GASKET_DEV_MAX);
mutex_unlock(&internal_desc->mutex);
return -EBUSY;
}
@@ -208,7 +209,7 @@ static int gasket_alloc_dev(struct gasket_internal_desc *internal_desc,
gasket_dev = *pdev = kzalloc(sizeof(*gasket_dev), GFP_KERNEL);
if (!gasket_dev) {
- pr_err("no memory for device\n");
+ pr_err("gasket: no memory for device %s\n", kobj_name);
return -ENOMEM;
}
internal_desc->devs[dev_idx] = gasket_dev;
@@ -1464,7 +1465,7 @@ static int gasket_pci_probe(struct pci_dev *pci_dev,
internal_desc = lookup_internal_desc(pci_dev);
mutex_unlock(&g_mutex);
if (!internal_desc) {
- pr_err("PCI probe called for unknown driver type\n");
+ pr_err("gasket: PCI probe called for unknown driver type\n");
return -ENODEV;
}
@@ -1476,7 +1477,7 @@ static int gasket_pci_probe(struct pci_dev *pci_dev,
return ret;
gasket_dev->pci_dev = pci_dev_get(pci_dev);
if (IS_ERR_OR_NULL(gasket_dev->dev_info.device)) {
- pr_err("Cannot create %s device %s [ret = %ld]\n",
+ pr_err("gasket: Cannot create %s device %s [ret = %ld]\n",
driver_desc->name, gasket_dev->dev_info.name,
PTR_ERR(gasket_dev->dev_info.device));
ret = -ENODEV;
@@ -1523,7 +1524,7 @@ static int gasket_pci_probe(struct pci_dev *pci_dev,
ret = gasket_enable_dev(internal_desc, gasket_dev);
if (ret) {
- pr_err("cannot setup %s device\n", driver_desc->name);
+ pr_err("gasket: cannot setup %s device\n", driver_desc->name);
gasket_disable_dev(gasket_dev);
goto fail5;
}
@@ -1743,7 +1744,7 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
for (i = 0; i < GASKET_FRAMEWORK_DESC_MAX; i++) {
if (g_descs[i].driver_desc == driver_desc) {
- pr_err("%s driver already loaded/registered\n",
+ pr_err("gasket: %s driver already loaded/registered\n",
driver_desc->name);
mutex_unlock(&g_mutex);
return -EBUSY;
@@ -1761,7 +1762,7 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
mutex_unlock(&g_mutex);
if (desc_idx == -1) {
- pr_err("Too many Gasket drivers loaded: %d\n",
+ pr_err("gasket: too many drivers loaded, max %d\n",
GASKET_FRAMEWORK_DESC_MAX);
return -EBUSY;
}
@@ -1778,7 +1779,7 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
class_create(driver_desc->module, driver_desc->name);
if (IS_ERR(internal->class)) {
- pr_err("Cannot register %s class [ret=%ld]\n",
+ pr_err("gasket: Cannot register %s class [ret=%ld]\n",
driver_desc->name, PTR_ERR(internal->class));
ret = PTR_ERR(internal->class);
goto unregister_gasket_driver;
@@ -1791,7 +1792,8 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
ret = __pci_register_driver(&internal->pci, driver_desc->module,
driver_desc->name);
if (ret) {
- pr_err("cannot register pci driver [ret=%d]\n", ret);
+ pr_err("gasket: cannot register %s pci driver [ret=%d]\n",
+ driver_desc->name, ret);
goto fail1;
}
@@ -1799,7 +1801,8 @@ int gasket_register_device(const struct gasket_driver_desc *driver_desc)
driver_desc->minor), GASKET_DEV_MAX,
driver_desc->name);
if (ret) {
- pr_err("cannot register char driver [ret=%d]\n", ret);
+ pr_err("gasket: cannot register %s char driver [ret=%d]\n",
+ driver_desc->name, ret);
goto fail2;
}
@@ -1840,7 +1843,7 @@ void gasket_unregister_device(const struct gasket_driver_desc *driver_desc)
mutex_unlock(&g_mutex);
if (!internal_desc) {
- pr_err("request to unregister unknown desc: %s, %d:%d\n",
+ pr_err("gasket: request to unregister unknown desc: %s, %d:%d\n",
driver_desc->name, driver_desc->major,
driver_desc->minor);
return;
--
2.18.0.597.ga71716f1ad-goog
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