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Tue, 09 Jun 2026 14:51:16 -0700 (PDT) Received: from localhost.localdomain ([2804:14d:4c64:82a2:f671:db74:6740:62ca]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3074df48671sm23293005eec.24.2026.06.09.14.51.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 14:51:15 -0700 (PDT) From: Rodrigo Gobbi To: andy@kernel.org, hansg@kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, gregkh@linuxfoundation.org, feng@innora.ai Cc: ~lkcamp/patches@lists.sr.ht, linux-kernel-mentees@lists.linux.dev, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH] staging: media: atomisp: use kvmalloc_objs() in make_histogram() Date: Tue, 9 Jun 2026 18:46:31 -0300 Message-ID: <20260609215110.118860-1-rodrigo.gobbi.7@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace kvmalloc() with multiply with kvmalloc_objs(), which handles the size multiplication internally with overflow checking, silenting checkpatch warn. Signed-off-by: Rodrigo Gobbi --- Hi, all, There is a ongoing effort like this for other files from atomisp at [1], yet, it is not covering the same file. Tks and regards. [1] https://lore.kernel.org/all/20260413112904.98864-1-feng@innora.ai/ --- drivers/staging/media/atomisp/pci/sh_css_metrics.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/sh_css_metrics.c b/drivers/staging/media/atomisp/pci/sh_css_metrics.c index edf473dd86ca..d3ae737f1764 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_metrics.c +++ b/drivers/staging/media/atomisp/pci/sh_css_metrics.c @@ -59,16 +59,13 @@ make_histogram(struct sh_css_pc_histogram *histogram, unsigned int length) return; if (histogram->run) return; - histogram->run = kvmalloc(length * sizeof(*histogram->run), - GFP_KERNEL); + histogram->run = kvmalloc_objs(*histogram->run, length); if (!histogram->run) return; - histogram->stall = kvmalloc(length * sizeof(*histogram->stall), - GFP_KERNEL); + histogram->stall = kvmalloc_objs(*histogram->stall, length); if (!histogram->stall) return; - histogram->msink = kvmalloc(length * sizeof(*histogram->msink), - GFP_KERNEL); + histogram->msink = kvmalloc_objs(*histogram->msink, length); if (!histogram->msink) return; -- 2.48.1