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    Subject[PATCH] procfs: don't need a PATH_MAX allocation to hold a string representation of an int
    Date
    Signed-off-by: Jeff Layton <jlayton@redhat.com>
    ---
    fs/proc/base.c | 5 +++--
    1 file changed, 3 insertions(+), 2 deletions(-)

    diff --git a/fs/proc/base.c b/fs/proc/base.c
    index 1b6c84c..58e801b 100644
    --- a/fs/proc/base.c
    +++ b/fs/proc/base.c
    @@ -2758,7 +2758,8 @@ 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();
    + /* 10 for max length of an int in decimal + NULL terminator */
    + name = kmalloc(11, GFP_KERNEL);
    if (!name)
    name = ERR_PTR(-ENOMEM);
    else
    @@ -2773,7 +2774,7 @@ 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 = {
    --
    1.7.11.4


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