Merge branch 'develop' of 10.10.10.29:/home/rockchip/kernel into develop

[firefly-linux-kernel-4.4.55.git] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 337b20e946f6891ed9ae322d22c8e24a1b27f40e..fe1a069fb59571488af927b54abce0e9f56fd88e 100644 (file)
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -502,7 +502,7 @@ 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;
        }