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Message-ID: <1641538505-28367-1-git-send-email-sbhatta@marvell.com> Date: Fri, 7 Jan 2022 12:25:05 +0530 From: Subbaraya Sundeep <sbhatta@...vell.com> To: <davem@...emloft.net>, <kuba@...nel.org>, <netdev@...r.kernel.org> CC: <hkelam@...vell.com>, <gakula@...vell.com>, <sgoutham@...vell.com>, Subbaraya Sundeep <sbhatta@...vell.com> Subject: [net PATCH] octeontx2-af: Fix interrupt name strings From: Sunil Goutham <sgoutham@...vell.com> Fixed interrupt name string logic which currently results in wrong memory location being accessed while dumping /proc/interrupts. Fixes: 4826090719d4 ("octeontx2-af: Enable CPT HW interrupts") Signed-off-by: Sunil Goutham <sgoutham@...vell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@...vell.com> --- drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c | 5 ++--- drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c | 2 +- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c index 45357de..a73a801 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c @@ -172,14 +172,13 @@ static int cpt_10k_register_interrupts(struct rvu_block *block, int off) { struct rvu *rvu = block->rvu; int blkaddr = block->addr; - char irq_name[16]; int i, ret; for (i = CPT_10K_AF_INT_VEC_FLT0; i < CPT_10K_AF_INT_VEC_RVU; i++) { - snprintf(irq_name, sizeof(irq_name), "CPTAF FLT%d", i); + sprintf(&rvu->irq_name[(off + i) * NAME_SIZE], "CPTAF FLT%d", i); ret = rvu_cpt_do_register_interrupt(block, off + i, rvu_cpt_af_flt_intr_handler, - irq_name); + &rvu->irq_name[(off + i) * NAME_SIZE]); if (ret) goto err; rvu_write64(rvu, blkaddr, CPT_AF_FLTX_INT_ENA_W1S(i), 0x1); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c index 70bacd3..d0ab8f2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c @@ -41,7 +41,7 @@ static bool rvu_common_request_irq(struct rvu *rvu, int offset, struct rvu_devlink *rvu_dl = rvu->rvu_dl; int rc; - sprintf(&rvu->irq_name[offset * NAME_SIZE], name); + sprintf(&rvu->irq_name[offset * NAME_SIZE], "%s", name); rc = request_irq(pci_irq_vector(rvu->pdev, offset), fn, 0, &rvu->irq_name[offset * NAME_SIZE], rvu_dl); if (rc) -- 2.7.4
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