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-rw-r--r--drivers/char/mem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1f3215a..47c8452f 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -908,6 +908,9 @@ static int __init chr_dev_init(void)
printk("unable to get major %d for memory devs\n", MEM_MAJOR);
mem_class = class_create(THIS_MODULE, "mem");
+ if (IS_ERR(mem_class))
+ return PTR_ERR(mem_class);
+
mem_class->devnode = mem_devnode;
for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) {
if (!devlist[minor].name)
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