This is a note to let you know that I've just added the patch titled
ata: libata-scsi: Remove redundant sense_buffer memsets
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ata-libata-scsi-remove-redundant-sense_buffer-memset.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0ba8d14a4da3911cc47823206f101e74af2b89d9
Author: Igor Pylypiv <ipylypiv@xxxxxxxxxx>
Date: Tue Jul 2 02:47:32 2024 +0000
ata: libata-scsi: Remove redundant sense_buffer memsets
[ Upstream commit 3f6d903b54a137e9e438d9c3b774b5d0432917bc ]
SCSI layer clears sense_buffer in scsi_queue_rq() so there is no need for
libata to clear it again.
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
Reviewed-by: Niklas Cassel <cassel@xxxxxxxxxx>
Signed-off-by: Igor Pylypiv <ipylypiv@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240702024735.1152293-5-ipylypiv@xxxxxxxxxx
Signed-off-by: Niklas Cassel <cassel@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 277bf0e8ed09..27e0c87236ac 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -926,11 +926,8 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc)
{
struct scsi_cmnd *cmd = qc->scsicmd;
struct ata_taskfile *tf = &qc->result_tf;
- unsigned char *sb = cmd->sense_buffer;
u8 sense_key, asc, ascq;
- memset(sb, 0, SCSI_SENSE_BUFFERSIZE);
-
/*
* Use ata_to_sense_error() to map status register bits
* onto sense key, asc & ascq.
@@ -976,8 +973,6 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
u64 block;
u8 sense_key, asc, ascq;
- memset(sb, 0, SCSI_SENSE_BUFFERSIZE);
-
if (ata_dev_disabled(dev)) {
/* Device disabled after error recovery */
/* LOGICAL UNIT NOT READY, HARD RESET REQUIRED */
