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authoryizhouzhou@ict.ac.cn <yizhouzhou@ict.ac.cn>2016-09-23 16:06:00 +0200
committerJesper Nilsson <jespern@axis.com>2016-09-23 16:06:00 +0200
commit2dc024e94578c53e2c579a48725c8fe2527f9d5e (patch)
tree488d908f2907270d7de9b5c2619d461fb32f4427 /arch/cris
parent11c2ecdcf71bd801fda79bd99607388241d8d2ce (diff)
downloadop-kernel-dev-2dc024e94578c53e2c579a48725c8fe2527f9d5e.zip
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cris: return of class_create should be considered
Return value of class_create should be considered in module init function. Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com> Signed-off-by: Jesper Nilsson <jespern@axis.com>
Diffstat (limited to 'arch/cris')
-rw-r--r--arch/cris/arch-v32/drivers/sync_serial.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c
index e989cee..ef515af 100644
--- a/arch/cris/arch-v32/drivers/sync_serial.c
+++ b/arch/cris/arch-v32/drivers/sync_serial.c
@@ -1627,6 +1627,12 @@ static int __init etrax_sync_serial_init(void)
/* Create a sysfs class for syncser */
syncser_class = class_create(THIS_MODULE, "syncser_class");
+ if (IS_ERR(syncser_class)) {
+ pr_err("Failed to create a sysfs class for syncser\n");
+ unregister_chrdev_region(syncser_first, minor_count);
+ cdev_del(syncser_cdev);
+ return -1;
+ }
/* Initialize Ports */
#if defined(CONFIG_ETRAX_SYNCHRONOUS_SERIAL_PORT0)
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