5.4-stable review patch. If anyone has any objections, please let me know.
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From: John Garry john.garry@huawei.com
[ 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@huawe... 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 --- drivers/scsi/mvsas/mv_init.c | 2 -- drivers/scsi/mvsas/mv_sas.c | 7 ------- drivers/scsi/mvsas/mv_sas.h | 1 - 3 files changed, 10 deletions(-)
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 0c5e2c6105867..7622de9d7d8ba 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -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; diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 68caeaf9e6369..377b931f46dcf 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -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; diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index 519edc796691a..6689481779343 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -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);