[PATCH] knfsd: Protect update to sn_nrthreads with lock_kernel

Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mariux64 · Oct 4, 2006 · cda9e0c · cda9e0c
1 parent 37a0347
commit cda9e0c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
@@ -532,7 +532,9 @@ static ssize_t write_ports(struct file *file, char *buf, size_t size)
 			/* Decrease the count, but don't shutdown the
 			 * the service
 			 */
+			lock_kernel();
 			nfsd_serv->sv_nrthreads--;
+			unlock_kernel();
 		}
 		return err;
 	}