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scsi: mvsas: Delete mvs_tag_init()

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[ Upstream commit ffc9f9bf3f14876d019f67ef17d41138802529a8 ]

All mvs_tag_init() does is zero the tag bitmap, but this is already done
with the kzalloc() call to alloc the tags, so delete this unneeded
function.

Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1666091763-11023-7-git-send-email-john.garry@huawei.com
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Stable-dep-of: 60cd16a3b743 ("scsi: mvsas: Fix use-after-free bugs in mvs_work_queue")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
John Garry 2022-10-18 19:16:02 +08:00 • committed by Greg Kroah-Hartman
commit 3a635fab5c
3 changed files with 0 additions and 10 deletions
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2
drivers/scsi/mvsas/mv_init.c
View file

@ -286,8 +286,6 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
}
mvi->tags_num = slot_nr;
/* Initialize tags */
mvs_tag_init(mvi);
return 0;
err_out:
return 1;

7
drivers/scsi/mvsas/mv_sas.c
View file

@ -51,13 +51,6 @@ inline int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out)
return 0;
}
void mvs_tag_init(struct mvs_info *mvi)
{
int i;
for (i = 0; i < mvi->tags_num; ++i)
mvs_tag_clear(mvi, i);
}
static struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev)
{
unsigned long i = 0, j = 0, hi = 0;

1
drivers/scsi/mvsas/mv_sas.h
View file

@ -428,7 +428,6 @@ void mvs_tag_clear(struct mvs_info *mvi, u32 tag);
void mvs_tag_free(struct mvs_info *mvi, u32 tag);
void mvs_tag_set(struct mvs_info *mvi, unsigned int tag);
int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out);
void mvs_tag_init(struct mvs_info *mvi);
void mvs_iounmap(void __iomem *regs);
int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex);
void mvs_phys_reset(struct mvs_info *mvi, u32 phy_mask, int hard);