readahead: fix NULL filp dereference

[net-next-2.6.git] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 999b54bb462f3ad24ec83b8997aec7c7780bc469..dfa9a1a03a116c7659d0d71134a3450a8d69026f 100644 (file)
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -503,7 +503,7 @@ void page_cache_sync_readahead(struct address_space *mapping,
                return;
 
        /* be dumb */
-       if (filp->f_mode & FMODE_RANDOM) {
+       if (filp && (filp->f_mode & FMODE_RANDOM)) {
                force_page_cache_readahead(mapping, filp, offset, req_size);
                return;
        }