diff options
| author | Bryan Schumaker <bjschuma@netapp.com> | 2011-12-14 23:39:56 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-12-15 02:38:00 +0400 |
| commit | 2d3475c0ad625f7a43844a6cd0130d136416e604 (patch) | |
| tree | 3f1317a2afcddf614dec6fe5e8dc36ef05a139a1 /fs/nfsd | |
| parent | 39c4cc0fcc38cff29d5b9884372b17c894c9c080 (diff) | |
| download | linux-2d3475c0ad625f7a43844a6cd0130d136416e604.tar.xz | |
NFSD: forget_delegations should use list_for_each_entry_safe
Otherwise the for loop could try to use a file recently removed from the
file_hashtbl list and oops.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Tested-by: Casey Bodley <cbodley@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 19ca9b54200b..7355fe405d69 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4505,18 +4505,19 @@ void nfsd_forget_openowners(u64 num) int nfsd_process_n_delegations(u64 num, void (*deleg_func)(struct nfs4_delegation *)) { int i, count = 0; - struct nfs4_file *fp; - struct nfs4_delegation *dp, *next; + struct nfs4_file *fp, *fnext; + struct nfs4_delegation *dp, *dnext; for (i = 0; i < FILE_HASH_SIZE; i++) { - list_for_each_entry(fp, &file_hashtbl[i], fi_hash) { - list_for_each_entry_safe(dp, next, &fp->fi_delegations, dl_perfile) { + list_for_each_entry_safe(fp, fnext, &file_hashtbl[i], fi_hash) { + list_for_each_entry_safe(dp, dnext, &fp->fi_delegations, dl_perfile) { deleg_func(dp); if (++count == num) return count; } } } + return count; } |