Revert "Add capture support to msm8x16-wcd codec"

[karo-tx-linux.git] / block / bio.c

diff --git a/block/bio.c b/block/bio.c
index 4f184d938942dcbbbbedbac3b330f6e4bb39a4a9..d4d144363250f7dfe2e2ed41ed9fca7425c18c0a 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -1090,9 +1090,12 @@ int bio_uncopy_user(struct bio *bio)
        if (!bio_flagged(bio, BIO_NULL_MAPPED)) {
                /*
                 * if we're in a workqueue, the request is orphaned, so
-                * don't copy into a random user address space, just free.
+                * don't copy into a random user address space, just free
+                * and return -EINTR so user space doesn't expect any data.
                 */
-               if (current->mm && bio_data_dir(bio) == READ)
+               if (!current->mm)
+                       ret = -EINTR;
+               else if (bio_data_dir(bio) == READ)
                        ret = bio_copy_to_iter(bio, bmd->iter);
                if (bmd->is_our_pages)
                        bio_free_pages(bio);