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authorTejun Heo <htejun@gmail.com>2007-09-20 09:05:10 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 23:51:10 +0200
commit50ab1a72863b1ad4b117862bc52610f8d4535609 (patch)
tree41a30dce0ef44917f16d2bc5cdf23cc26f4fac3a
parentsysfs: kill unnecessary sysfs_get() in open paths (diff)
downloadlinux-50ab1a72863b1ad4b117862bc52610f8d4535609.tar.xz
linux-50ab1a72863b1ad4b117862bc52610f8d4535609.zip
sysfs: kill unnecessary NULL pointer check in sysfs_release()
In sysfs_release(), sysfs_buffer pointed to by filp->private_data is guaranteed to exist. Kill the unnecessary NULL check. This also makes the code more consistent with the counterpart in fs/sysfs/bin.c. Signed-off-by: Tejun Heo <htejun@gmail.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/sysfs/file.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 73333dc68545..8f1ebd88b9ce 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -311,11 +311,10 @@ static int sysfs_release(struct inode * inode, struct file * filp)
{
struct sysfs_buffer *buffer = filp->private_data;
- if (buffer) {
- if (buffer->page)
- free_page((unsigned long)buffer->page);
- kfree(buffer);
- }
+ if (buffer->page)
+ free_page((unsigned long)buffer->page);
+ kfree(buffer);
+
return 0;
}