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authorRob Jones <rob.jones@codethink.co.uk>2014-10-13 15:51:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 02:18:14 +0200
commit4bad78c550025346de3fc5820e366c7b525e1889 (patch)
tree9180b0d311924ce1ca96ffbec1e1e15c7d5342de
parent8b21d9ca17ff8ed0dbf650f4162ee2d59bb5a881 (diff)
lib/dynamic_debug.c: use seq_open_private() instead of seq_open()
Using seq_open_private() removes boilerplate code from ddebug_proc_open(). The resultant code is shorter and easier to follow. This patch does not change any functionality. Signed-off-by: Rob Jones <rob.jones@codethink.co.uk> Acked-by: Jason Baron <jbaron@akamai.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/dynamic_debug.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 31fe79e31ab8..dfba05521748 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -819,22 +819,9 @@ static const struct seq_operations ddebug_proc_seqops = {
*/
static int ddebug_proc_open(struct inode *inode, struct file *file)
{
- struct ddebug_iter *iter;
- int err;
-
vpr_info("called\n");
-
- iter = kzalloc(sizeof(*iter), GFP_KERNEL);
- if (iter == NULL)
- return -ENOMEM;
-
- err = seq_open(file, &ddebug_proc_seqops);
- if (err) {
- kfree(iter);
- return err;
- }
- ((struct seq_file *)file->private_data)->private = iter;
- return 0;
+ return seq_open_private(file, &ddebug_proc_seqops,
+ sizeof(struct ddebug_iter));
}
static const struct file_operations ddebug_proc_fops = {