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authorScott Wood <scottwood@freescale.com>2015-02-13 22:30:07 (GMT)
committerScott Wood <scottwood@freescale.com>2015-02-13 22:30:07 (GMT)
commite5fc662387b40984ed4b7a14477cc659f4d80b94 (patch)
treecf60ec2e653100003e59216306e241a4485c7d4f /drivers/scsi/scsi_lib.c
parentfa2b857e85998a6843c1a6843446ff00067fa3a4 (diff)
parent38bff34aef9a92ba18386e801604824856883b32 (diff)
downloadlinux-fsl-qoriq-e5fc662387b40984ed4b7a14477cc659f4d80b94.tar.xz
Merge branch 'rtmerge'
Signed-off-by: Scott Wood <scottwood@freescale.com> Conflicts: arch/arm/kvm/mmu.c arch/arm/mm/proc-v7-3level.S arch/powerpc/kernel/vdso32/getcpu.S drivers/crypto/caam/error.c drivers/crypto/caam/sg_sw_sec4.h drivers/usb/host/ehci-fsl.c
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index d1549b7..ad43b98 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -831,6 +831,14 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
scsi_next_command(cmd);
return;
}
+ } else if (blk_rq_bytes(req) == 0 && result && !sense_deferred) {
+ /*
+ * Certain non BLOCK_PC requests are commands that don't
+ * actually transfer anything (FLUSH), so cannot use
+ * good_bytes != blk_rq_bytes(req) as the signal for an error.
+ * This sets the error explicitly for the problem case.
+ */
+ error = __scsi_error_from_host_byte(cmd, result);
}
/* no bidi support for !REQ_TYPE_BLOCK_PC yet */