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staging/lustre: fix return value check in libcfs_sock_ioctl() 

In case of error, the function sock_alloc_file() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2013-06-03 10:08:13 +08:00 committed by Greg Kroah-Hartman
parent 49c02a7570
commit b3c1afd1fa
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c
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@ -59,9 +59,9 @@ libcfs_sock_ioctl(int cmd, unsigned long arg)
}
sock_filp = sock_alloc_file(sock, 0, NULL);
if (!sock_filp) {
if (IS_ERR(sock_filp)) {
sock_release(sock);
rc = -ENOMEM;
rc = PTR_ERR(sock_filp);
goto out;
}