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authorJeff Layton <jlayton@redhat.com>2012-10-10 16:43:21 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-10-12 20:15:10 -0400
commitf81700bd831efcd12eb7f0e66b24b16c2ad00a32 (patch)
tree9763e5c46e31d2500b1ba9186b882622739c9295
parent7950e3852ab86826b7349a535d2e8b0000340d7f (diff)
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procfs: don't need a PATH_MAX allocation to hold a string representation of an int
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/proc/base.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index ef5c84be66f9..144a96732dd7 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2258,7 +2258,8 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
pid_t tgid = task_tgid_nr_ns(current, ns);
char *name = ERR_PTR(-ENOENT);
if (tgid) {
- name = __getname();
+ /* 11 for max length of signed int in decimal + NULL term */
+ name = kmalloc(12, GFP_KERNEL);
if (!name)
name = ERR_PTR(-ENOMEM);
else
@@ -2273,7 +2274,7 @@ static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
{
char *s = nd_get_link(nd);
if (!IS_ERR(s))
- __putname(s);
+ kfree(s);
}
static const struct inode_operations proc_self_inode_operations = {