diff options
author | Andy Voltz <andy.voltz@timesys.com> | 2010-11-15 16:00:38 -0500 |
---|---|---|
committer | Andy Voltz <andy.voltz@timesys.com> | 2010-11-17 11:30:34 -0500 |
commit | 2e0ae4bf137e282e825b27b02eb46f86c59d004e (patch) | |
tree | 7c2534acd757ca414f02c5b983ee67eb2b2493c6 /fs/namei.c | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) |
Bump Linux kernel to 2.6.32.25
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c index d11f404667e9..b0afbd427be7 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -234,6 +234,7 @@ int generic_permission(struct inode *inode, int mask, /* * Searching includes executable on directories, else just read. */ + mask &= MAY_READ | MAY_WRITE | MAY_EXEC; if (mask == MAY_READ || (S_ISDIR(inode->i_mode) && !(mask & MAY_WRITE))) if (capable(CAP_DAC_READ_SEARCH)) return 0; @@ -828,6 +829,17 @@ fail: } /* + * This is a temporary kludge to deal with "automount" symlinks; proper + * solution is to trigger them on follow_mount(), so that do_lookup() + * would DTRT. To be killed before 2.6.34-final. + */ +static inline int follow_on_final(struct inode *inode, unsigned lookup_flags) +{ + return inode && unlikely(inode->i_op->follow_link) && + ((lookup_flags & LOOKUP_FOLLOW) || S_ISDIR(inode->i_mode)); +} + +/* * Name resolution. * This is the basic name resolution function, turning a pathname into * the final dentry. We expect 'base' to be positive and a directory. @@ -963,8 +975,7 @@ last_component: if (err) break; inode = next.dentry->d_inode; - if ((lookup_flags & LOOKUP_FOLLOW) - && inode && inode->i_op->follow_link) { + if (follow_on_final(inode, lookup_flags)) { err = do_follow_link(&next, nd); if (err) goto return_err; |