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From: kernel test robot <lkp@intel.com>
To: Matthew Auld <matthew.auld@intel.com>, intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>,
	Mohammed Khajapasha <mohammed.khajapasha@intel.com>,
	kbuild-all@lists.01.org, dri-devel@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] drm/i915/oprom: fix memdup.cocci warnings
Date: Tue, 13 Apr 2021 06:36:31 +0800	[thread overview]
Message-ID: <20210412223630.GA13421@638f114fa1d0> (raw)
In-Reply-To: <20210412090526.30547-15-matthew.auld@intel.com>

From: kernel test robot <lkp@intel.com>

drivers/gpu/drm/i915/display/intel_bios.c:2274:7-14: WARNING opportunity for kmemdup

 Use kmemdup rather than duplicating its implementation

Generated by: scripts/coccinelle/api/memdup.cocci

CC: Anshuman Gupta <anshuman.gupta@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

url:    https://github.com/0day-ci/linux/commits/Matthew-Auld/More-DG1-enabling/20210412-171139
base:   git://anongit.freedesktop.org/drm-intel for-linux-next

 intel_bios.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2271,14 +2271,13 @@ static struct vbt_header *spi_oprom_get_
 	parse_ptr = (u8 *)oprom_opreg + found;
 	vbt_size = ((struct vbt_header *)parse_ptr)->vbt_size;
 
-	vbt = kzalloc(vbt_size, GFP_KERNEL);
+	vbt = kmemdup(parse_ptr, vbt_size, GFP_KERNEL);
 	if (!vbt) {
 		DRM_ERROR("Unable to allocate %u bytes for VBT storage\n",
 			  vbt_size);
 		goto err_not_found;
 	}
 
-	memcpy(vbt, parse_ptr, vbt_size);
 	if (!intel_bios_is_valid_vbt(vbt, vbt_size))
 		goto err_free_vbt;
 
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  parent reply	other threads:[~2021-04-12 22:37 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-12  9:05 [Intel-gfx] [PATCH 00/19] More DG1 enabling Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 01/19] drm/i915/gt: Skip aperture remapping selftest where there is no aperture Matthew Auld
2021-04-12 14:48   ` Daniel Vetter
2021-04-12  9:05 ` [Intel-gfx] [PATCH 02/19] drm/i915/selftests: Only query RAPL for integrated power measurements Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 03/19] drm/i915: Create stolen memory region from local memory Matthew Auld
2021-04-14 15:01   ` Tvrtko Ursulin
2021-04-16 15:04     ` Matthew Auld
2021-04-19 14:15       ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 04/19] drm/i915/stolen: treat stolen local as normal " Matthew Auld
2021-04-14 15:06   ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 05/19] drm/i915/stolen: enforce the min_page_size contract Matthew Auld
2021-04-14 15:07   ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 06/19] drm/i915/stolen: pass the allocation flags Matthew Auld
2021-04-14 15:09   ` Tvrtko Ursulin
2021-04-16 13:53     ` Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 07/19] drm/i915/fbdev: Use lmem physical addresses for fb_mmap() on discrete Matthew Auld
2021-04-12 15:00   ` Daniel Vetter
2021-04-12  9:05 ` [Intel-gfx] [PATCH 08/19] drm/i915: Return error value when bo not in LMEM for discrete Matthew Auld
2021-04-14 15:16   ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 09/19] drm/i915/lmem: Fail driver init if LMEM training failed Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 10/19] drm/i915/dg1: Fix mapping type for default state object Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 11/19] drm/i915: Update the helper to set correct mapping Matthew Auld
2021-04-14 15:22   ` Tvrtko Ursulin
2021-04-14 16:20     ` Matthew Auld
2021-04-15  8:20       ` Tvrtko Ursulin
2021-04-15  9:23         ` Matthew Auld
2021-04-15 11:05           ` Tvrtko Ursulin
2021-04-19 11:30             ` Matthew Auld
2021-04-19 14:07               ` Tvrtko Ursulin
2021-04-19 14:37                 ` Matthew Auld
2021-04-19 15:01                   ` Tvrtko Ursulin
2021-04-21 11:42                     ` Matthew Auld
2021-04-21 15:41                       ` Tvrtko Ursulin
2021-04-21 19:13                         ` Matthew Auld
2021-04-26  8:57                           ` Matthew Auld
2021-04-26  9:21                             ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 12/19] drm/i915/lmem: Bypass aperture when lmem is available Matthew Auld
2021-04-14 15:33   ` Tvrtko Ursulin
2021-04-16 14:25     ` Matthew Auld
2021-04-19 14:16       ` Tvrtko Ursulin
2021-04-12  9:05 ` [Intel-gfx] [PATCH 13/19] drm/i915/dg1: Read OPROM via SPI controller Matthew Auld
2021-09-17 23:29   ` Lucas De Marchi
2021-04-12  9:05 ` [Intel-gfx] [PATCH 14/19] drm/i915/oprom: Basic sanitization Matthew Auld
2021-04-12 22:36   ` kernel test robot
2021-04-12 22:36   ` kernel test robot [this message]
2021-05-17 11:57   ` Jani Nikula
2021-09-18  4:30     ` Lucas De Marchi
2021-09-20  7:41       ` Jani Nikula
2021-09-20  8:04         ` Gupta, Anshuman
2021-09-20  8:43           ` Jani Nikula
2021-09-22 21:53           ` Lucas De Marchi
2021-04-12  9:05 ` [Intel-gfx] [PATCH 15/19] drm/i915: WA for zero memory channel Matthew Auld
2021-04-12 16:57   ` Souza, Jose
2021-04-12  9:05 ` [Intel-gfx] [PATCH 16/19] drm/i915/dg1: Compute MEM Bandwidth using MCHBAR Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 17/19] drm/i915/dg1: Double memory bandwidth available Matthew Auld
2021-04-12  9:05 ` [Intel-gfx] [PATCH 18/19] drm/i915/gtt: map the PD up front Matthew Auld
2021-04-12 15:17   ` Daniel Vetter
2021-04-12 16:01     ` Jani Nikula
2021-04-12 16:36       ` Daniel Vetter
2021-04-12 16:08     ` Matthew Auld
2021-04-12 17:00       ` Daniel Vetter
2021-04-13  9:28         ` Matthew Auld
2021-04-13 10:18           ` Daniel Vetter
2021-04-12  9:05 ` [Intel-gfx] [PATCH 19/19] drm/i915/gtt/dgfx: place the PD in LMEM Matthew Auld
2021-04-14 15:37   ` Tvrtko Ursulin
2021-04-12 11:07 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for More DG1 enabling Patchwork
2021-04-12 11:12 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2021-04-12 11:37 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-04-12 13:37 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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