Use 2-factor multiplication argument form kcalloc() instead of kzalloc(). Also, it is preferred to use sizeof(*pointer) instead of sizeof(type) due to the type of the variable can change and one needs not change the former (unlike the latter).
Link: https://github.com/KSPP/linux/issues/162 Reviewed-by: Gustavo A. R. Silva <gustavo...@kernel.org> Signed-off-by: Erick Archer <erick.arc...@outlook.com> --- Changes in v2: - Update the changelog text describing the sizeof() changes (Gustavo A. R. Silva) Changes in v3: - Add the "Reviewed-by:" tag. - Rebase against linux-next. Version 1: Link: https://lore.kernel.org/linux-hardening/20240112182603.11048-1-erick.arc...@gmx.com/ Version 2: Link: https://lore.kernel.org/linux-hardening/20240114102400.3816-1-erick.arc...@gmx.com/ Hi everyone, This patch seems to be lost. Gustavo reviewed it on January 15, 2024 but the patch has not been applied since. Thanks, Erick --- drivers/scsi/csiostor/csio_init.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index d649b7a2a879..d72892e44fd1 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -698,8 +698,7 @@ csio_lnodes_block_request(struct csio_hw *hw) struct csio_lnode **lnode_list; int cur_cnt = 0, ii; - lnode_list = kzalloc((sizeof(struct csio_lnode *) * hw->num_lns), - GFP_KERNEL); + lnode_list = kcalloc(hw->num_lns, sizeof(*lnode_list), GFP_KERNEL); if (!lnode_list) { csio_err(hw, "Failed to allocate lnodes_list"); return; @@ -737,8 +736,7 @@ csio_lnodes_unblock_request(struct csio_hw *hw) struct csio_lnode **lnode_list; int cur_cnt = 0, ii; - lnode_list = kzalloc((sizeof(struct csio_lnode *) * hw->num_lns), - GFP_KERNEL); + lnode_list = kcalloc(hw->num_lns, sizeof(*lnode_list), GFP_KERNEL); if (!lnode_list) { csio_err(hw, "Failed to allocate lnodes_list"); return; @@ -775,8 +773,7 @@ csio_lnodes_block_by_port(struct csio_hw *hw, uint8_t portid) struct csio_lnode **lnode_list; int cur_cnt = 0, ii; - lnode_list = kzalloc((sizeof(struct csio_lnode *) * hw->num_lns), - GFP_KERNEL); + lnode_list = kcalloc(hw->num_lns, sizeof(*lnode_list), GFP_KERNEL); if (!lnode_list) { csio_err(hw, "Failed to allocate lnodes_list"); return; @@ -816,8 +813,7 @@ csio_lnodes_unblock_by_port(struct csio_hw *hw, uint8_t portid) struct csio_lnode **lnode_list; int cur_cnt = 0, ii; - lnode_list = kzalloc((sizeof(struct csio_lnode *) * hw->num_lns), - GFP_KERNEL); + lnode_list = kcalloc(hw->num_lns, sizeof(*lnode_list), GFP_KERNEL); if (!lnode_list) { csio_err(hw, "Failed to allocate lnodes_list"); return; @@ -855,8 +851,7 @@ csio_lnodes_exit(struct csio_hw *hw, bool npiv) struct csio_lnode **lnode_list; int cur_cnt = 0, ii; - lnode_list = kzalloc((sizeof(struct csio_lnode *) * hw->num_lns), - GFP_KERNEL); + lnode_list = kcalloc(hw->num_lns, sizeof(*lnode_list), GFP_KERNEL); if (!lnode_list) { csio_err(hw, "lnodes_exit: Failed to allocate lnodes_list.\n"); return; -- 2.25.1
