Do not access the bio after generic_make_request We should never access a bio after generic_make_request - there's no guarantee it still exists. Signed-off-by: olaf.kirch@xxxxxxxxxx --- drivers/md/dm-crypt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: linux-2.6.20/drivers/md/dm-crypt.c =================================================================== --- linux-2.6.20.orig/drivers/md/dm-crypt.c +++ linux-2.6.20/drivers/md/dm-crypt.c @@ -655,9 +655,12 @@ static void process_write(struct crypt_i generic_make_request(clone); + /* Do not reference clone after this - it + * may be gone already. */ + /* out of memory -> run queues */ if (remaining) - congestion_wait(bio_data_dir(clone), HZ/100); + congestion_wait(WRITE, HZ/100); } } -- Olaf Kirch | --- o --- Nous sommes du soleil we love when we play okir@xxxxxx | / | \ sol.dhoop.naytheet.ah kin.ir.samse.qurax -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel