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kmod: Release sub_info on cred allocation failure.

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call_usermodehelper_setup() forgot to kfree(sub_info)
when prepare_usermodehelper_creds() failed.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tetsuo Handa 2009-05-26 09:11:03 +01:00 committed by Linus Torvalds
parent d4a76f8a61
commit ab2b7ebaad
1 changed files with 3 additions and 1 deletions
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4
kernel/kmod.c
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@ -370,8 +370,10 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
sub_info->argv = argv;
sub_info->envp = envp;
sub_info->cred = prepare_usermodehelper_creds();
if (!sub_info->cred)
if (!sub_info->cred) {
kfree(sub_info);
return NULL;
}
out:
return sub_info;