__getname() uses slab allocation which is faster than kmalloc. Make use of it.
Signed-off-by: Dmitry Kasatkin <[email protected]> --- security/integrity/ima/ima_api.c | 4 ++-- security/integrity/ima/ima_main.c | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index 8688597..a99eb6d 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -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; } diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 87d7df7..003d6b6 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -246,7 +246,8 @@ out_digsig: 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)) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
