From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: akpm@osdl.org
Subject: [PATCH] fix create_write_pipe() error check
Date: Mon, 27 Nov 2006 13:59:22 +0900 [thread overview]
Message-ID: <20061127045922.GD1231@APFDCB5C> (raw)
The return value of create_write_pipe()/create_read_pipe() should be
checked by IS_ERR().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
kernel/kmod.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
Index: work-fault-inject/kernel/kmod.c
===================================================================
--- work-fault-inject.orig/kernel/kmod.c
+++ work-fault-inject/kernel/kmod.c
@@ -307,14 +307,14 @@ int call_usermodehelper_pipe(char *path,
return 0;
f = create_write_pipe();
- if (!f)
- return -ENOMEM;
+ if (IS_ERR(f))
+ return PTR_ERR(f);
*filp = f;
f = create_read_pipe(f);
- if (!f) {
+ if (IS_ERR(f)) {
free_write_pipe(*filp);
- return -ENOMEM;
+ return PTR_ERR(f);
}
sub_info.stdin = f;
reply other threads:[~2006-11-27 5:06 UTC|newest]
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