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-rw-r--r--fs/namei.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 020bb082d0b9..8c8b379b94a4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -412,16 +412,15 @@ do_revalidate(struct dentry *dentry, struct nameidata *nd)
412} 412}
413 413
414/* 414/*
415 * Short-cut version of permission(), for calling by 415 * Short-cut version of permission(), for calling on directories
416 * path_walk(), when dcache lock is held. Combines parts 416 * during pathname resolution. Combines parts of permission()
417 * of permission() and generic_permission(), and tests ONLY for 417 * and generic_permission(), and tests ONLY for MAY_EXEC permission.
418 * MAY_EXEC permission.
419 * 418 *
420 * If appropriate, check DAC only. If not appropriate, or 419 * If appropriate, check DAC only. If not appropriate, or
421 * short-cut DAC fails, then call permission() to do more 420 * short-cut DAC fails, then call ->permission() to do more
422 * complete permission check. 421 * complete permission check.
423 */ 422 */
424static int exec_permission_lite(struct inode *inode) 423static int exec_permission(struct inode *inode)
425{ 424{
426 int ret; 425 int ret;
427 426
@@ -807,7 +806,7 @@ static int link_path_walk(const char *name, struct nameidata *nd)
807 unsigned int c; 806 unsigned int c;
808 807
809 nd->flags |= LOOKUP_CONTINUE; 808 nd->flags |= LOOKUP_CONTINUE;
810 err = exec_permission_lite(inode); 809 err = exec_permission(inode);
811 if (err) 810 if (err)
812 break; 811 break;
813 812
@@ -1155,7 +1154,7 @@ static struct dentry *lookup_hash(struct nameidata *nd)
1155{ 1154{
1156 int err; 1155 int err;
1157 1156
1158 err = inode_permission(nd->path.dentry->d_inode, MAY_EXEC); 1157 err = exec_permission(nd->path.dentry->d_inode);
1159 if (err) 1158 if (err)
1160 return ERR_PTR(err); 1159 return ERR_PTR(err);
1161 return __lookup_hash(&nd->last, nd->path.dentry, nd); 1160 return __lookup_hash(&nd->last, nd->path.dentry, nd);
@@ -1205,7 +1204,7 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
1205 if (err) 1204 if (err)
1206 return ERR_PTR(err); 1205 return ERR_PTR(err);
1207 1206
1208 err = inode_permission(base->d_inode, MAY_EXEC); 1207 err = exec_permission(base->d_inode);
1209 if (err) 1208 if (err)
1210 return ERR_PTR(err); 1209 return ERR_PTR(err);
1211 return __lookup_hash(&this, base, NULL); 1210 return __lookup_hash(&this, base, NULL);