diff options
| author | David S. Miller <davem@davemloft.net> | 2017-03-23 15:11:56 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-23 16:41:27 -0700 |
| commit | 16ae1f223601c44e5cb65c99257ffae003504704 (patch) | |
| tree | 1f5284c0e82e4d94ca07eb022fa7911d99bb0cb6 /fs/afs/security.c | |
| parent | 6f359f99b8c2ff3b09329611da00fe39a7c10e7e (diff) | |
| parent | d038e3dcfff6e3de132726a9c7174d8170032aa4 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/genet/bcmmii.c
drivers/net/hyperv/netvsc.c
kernel/bpf/hashtab.c
Almost entirely overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/afs/security.c')
| -rw-r--r-- | fs/afs/security.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/afs/security.c b/fs/afs/security.c index 8d010422dc89..ecb86a670180 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -114,7 +114,7 @@ void afs_clear_permits(struct afs_vnode *vnode) mutex_lock(&vnode->permits_lock); permits = vnode->permits; - rcu_assign_pointer(vnode->permits, NULL); + RCU_INIT_POINTER(vnode->permits, NULL); mutex_unlock(&vnode->permits_lock); if (permits) @@ -340,17 +340,22 @@ int afs_permission(struct inode *inode, int mask) } else { if (!(access & AFS_ACE_LOOKUP)) goto permission_denied; + if ((mask & MAY_EXEC) && !(inode->i_mode & S_IXUSR)) + goto permission_denied; if (mask & (MAY_EXEC | MAY_READ)) { if (!(access & AFS_ACE_READ)) goto permission_denied; + if (!(inode->i_mode & S_IRUSR)) + goto permission_denied; } else if (mask & MAY_WRITE) { if (!(access & AFS_ACE_WRITE)) goto permission_denied; + if (!(inode->i_mode & S_IWUSR)) + goto permission_denied; } } key_put(key); - ret = generic_permission(inode, mask); _leave(" = %d", ret); return ret; |