char: misc: fix error path

Lets call remove_proc_entry() in the error path only if we have
successfully created "misc" in procfs.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 3b95795cb640..c83ef9652bc9 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -281,8 +281,9 @@ static char *misc_devnode(struct device *dev, umode_t *mode)
 static int __init misc_init(void)
 {
         int err;
+        struct proc_dir_entry *ret;
 
-        proc_create("misc", 0, NULL, &misc_proc_fops);
+        ret = proc_create("misc", 0, NULL, &misc_proc_fops);
         misc_class = class_create(THIS_MODULE, "misc");
         err = PTR_ERR(misc_class);
         if (IS_ERR(misc_class))
@@ -298,7 +299,8 @@ fail_printk:
         printk("unable to get major %d for misc devices\n", MISC_MAJOR);
         class_destroy(misc_class);
 fail_remove:
-        remove_proc_entry("misc", NULL);
+        if (ret)
+                remove_proc_entry("misc", NULL);
         return err;
 }
 subsys_initcall(misc_init);