sysfs: checking for NULL instead of ERR_PTR

commit 57f9bdac25 upstream.

d_path() returns an ERR_PTR and it doesn't return NULL.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dan Carpenter
2010-08-25 09:12:29 +02:00
committed by Greg Kroah-Hartman
parent 2410490a14
commit 88c0bb95c7

View File

@@ -340,7 +340,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
char *p;
p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file));
if (p)
if (!IS_ERR(p))
memmove(last_sysfs_file, p, strlen(p) + 1);
/* need attr_sd for attr and ops, its parent for kobj */