diff options
| -rw-r--r-- | fs/aio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/aio.c b/fs/aio.c index a6deaa78326d5b..fb8e45b88cd4ec 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -496,7 +496,12 @@ static int aio_setup_ring(struct kioctx *ctx) ctx->mmap_size = nr_pages * PAGE_SIZE; pr_debug("attempting mmap of %lu bytes\n", ctx->mmap_size); - down_write(&mm->mmap_sem); + if (down_write_killable(&mm->mmap_sem)) { + ctx->mmap_size = 0; + aio_free_ring(ctx); + return -EINTR; + } + ctx->mmap_base = do_mmap_pgoff(ctx->aio_ring_file, 0, ctx->mmap_size, PROT_READ | PROT_WRITE, MAP_SHARED, 0, &unused); |