The patch titled
kernel/cgroup.c: kfree(NULL) is legal
has been removed from the -mm tree. Its filename was
kernel-cgroupc-kfreenull-is-legal.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: kernel/cgroup.c: kfree(NULL) is legal
From: Jesper Juhl <jj@xxxxxxxxxxxxx>
Reduces object file size a bit:
Before:
$ size kernel/cgroup.o
text data bss dec hex filename
21593 7804 4924 34321 8611 kernel/cgroup.o
After:
$ size kernel/cgroup.o
text data bss dec hex filename
21537 7744 4924 34205 859d kernel/cgroup.o
Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/cgroup.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff -puN kernel/cgroup.c~kernel-cgroupc-kfreenull-is-legal kernel/cgroup.c
--- a/kernel/cgroup.c~kernel-cgroupc-kfreenull-is-legal
+++ a/kernel/cgroup.c
@@ -923,8 +923,7 @@ static int cgroup_remount(struct super_b
if (opts.release_agent)
strcpy(root->release_agent_path, opts.release_agent);
out_unlock:
- if (opts.release_agent)
- kfree(opts.release_agent);
+ kfree(opts.release_agent);
mutex_unlock(&cgroup_mutex);
mutex_unlock(&cgrp->dentry->d_inode->i_mutex);
return ret;
@@ -1027,15 +1026,13 @@ static int cgroup_get_sb(struct file_sys
/* First find the desired set of subsystems */
ret = parse_cgroupfs_options(data, &opts);
if (ret) {
- if (opts.release_agent)
- kfree(opts.release_agent);
+ kfree(opts.release_agent);
return ret;
}
root = kzalloc(sizeof(*root), GFP_KERNEL);
if (!root) {
- if (opts.release_agent)
- kfree(opts.release_agent);
+ kfree(opts.release_agent);
return -ENOMEM;
}
_
Patches currently in -mm which might be from jj@xxxxxxxxxxxxx are
origin.patch
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