aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorAnna Schumaker <Anna.Schumaker@Netapp.com>2017-07-25 16:10:47 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-07-26 16:53:57 -0400
commit1e6f209515a08de29ec53b653eac73b50efd949c (patch)
tree5fbb6452e99d9c30de647e697eff178d9cd38663 /fs
parent1ebf980127924c639e2b85c08468311ba1c95b70 (diff)
downloadlinux-stericsson-1e6f209515a08de29ec53b653eac73b50efd949c.tar.gz
NFS: Use raw NFS access mask in nfs4_opendata_access()
Commit bd8b2441742b ("NFS: Store the raw NFS access mask in the inode's access cache") changed how the access results are stored after an access() call. An NFS v4 OPEN might have access bits returned with the opendata, so we should use the NFS4_ACCESS values when determining the return value in nfs4_opendata_access(). Fixes: bd8b2441742b ("NFS: Store the raw NFS access mask in the inode's access cache") Reported-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Tested-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e1a26c653e78..583c2b38c908 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2236,7 +2236,7 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
int openflags)
{
struct nfs_access_entry cache;
- u32 mask;
+ u32 mask, flags;
/* access call failed or for some reason the server doesn't
* support any access modes -- defer access call until later */
@@ -2250,16 +2250,20 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
*/
if (openflags & __FMODE_EXEC) {
/* ONLY check for exec rights */
- mask = MAY_EXEC;
+ if (S_ISDIR(state->inode->i_mode))
+ mask = NFS4_ACCESS_LOOKUP;
+ else
+ mask = NFS4_ACCESS_EXECUTE;
} else if ((fmode & FMODE_READ) && !opendata->file_created)
- mask = MAY_READ;
+ mask = NFS4_ACCESS_READ;
cache.cred = cred;
cache.jiffies = jiffies;
nfs_access_set_mask(&cache, opendata->o_res.access_result);
nfs_access_add_cache(state->inode, &cache);
- if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0)
+ flags = NFS4_ACCESS_READ | NFS4_ACCESS_EXECUTE | NFS4_ACCESS_LOOKUP;
+ if ((mask & ~cache.mask & flags) == 0)
return 0;
return -EACCES;