Commit 456f5fd3 authored by Dmitry Kasatkin's avatar Dmitry Kasatkin Committed by Mimi Zohar

ima: use path names cache

__getname() uses slab allocation which is faster than kmalloc.
Make use of it.
Signed-off-by: default avatarDmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: default avatarMimi Zohar <zohar@linux.vnet.ibm.com>
parent c2baec7f
......@@ -325,11 +325,11 @@ const char *ima_d_path(struct path *path, char **pathbuf)
{
char *pathname = NULL;
*pathbuf = kmalloc(PATH_MAX, GFP_KERNEL);
*pathbuf = __getname();
if (*pathbuf) {
pathname = d_absolute_path(path, *pathbuf, PATH_MAX);
if (IS_ERR(pathname)) {
kfree(*pathbuf);
__putname(*pathbuf);
*pathbuf = NULL;
pathname = NULL;
}
......
......@@ -246,7 +246,8 @@ static int process_measurement(struct file *file, int mask, int function,
rc = -EACCES;
kfree(xattr_value);
out_free:
kfree(pathbuf);
if (pathbuf)
__putname(pathbuf);
out:
mutex_unlock(&inode->i_mutex);
if ((rc && must_appraise) && (ima_appraise & IMA_APPRAISE_ENFORCE))
......
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