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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-07-13 15:02:28 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-07-27 20:30:47 +0300
commit1037b2787b6df12f31b7051f7cdbb289f7972ee7 (patch)
tree8bde5d2469ea29dc36f00127a87d78dae2394615 /drivers/char/misc.c
parent344e62b36d3fa680ffbd35ee26b52f7bf4c1c4ec (diff)
downloadlinux-1037b2787b6df12f31b7051f7cdbb289f7972ee7.tar.xz
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>
Diffstat (limited to 'drivers/char/misc.c')
-rw-r--r--drivers/char/misc.c6
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);