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From: kernel test robot <lkp@intel.com>
To: Zack Rusin <zackr@vmware.com>, dri-devel@lists.freedesktop.org
Cc: sroland@vmware.com, krastevm@vmware.com, kbuild-all@lists.01.org
Subject: [PATCH] drm/vmwgfx: fix badzero.cocci warnings
Date: Wed, 5 May 2021 18:10:28 +0800	[thread overview]
Message-ID: <20210505101028.GA5891@7e032e5443f7> (raw)
In-Reply-To: <20210505035740.286923-6-zackr@vmware.com>

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

drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c:674:25-26: WARNING comparing pointer to 0

 Compare pointer-typed values to NULL rather than 0

Semantic patch information:
 This makes an effort to choose between !x and x == NULL.  !x is used
 if it has previously been used with the function used to initialize x.
 This relies on type information.  More type information can be obtained
 using the option -all_includes and the option -I to specify an
 include path.

Generated by: scripts/coccinelle/null/badzero.cocci

CC: Zack Rusin <zackr@vmware.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/Zack-Rusin/drm-vmwgfx-SVGA-v3-and-arm64-support/20210505-120026
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip

 vmwgfx_cmd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c
@@ -671,5 +671,5 @@ bool vmw_cmd_supported(struct vmw_privat
 	/*
 	 * We have FIFO cmd's
 	 */
-	return vmw->fifo_mem != 0;
+	return vmw->fifo_mem != NULL;
 }
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  parent reply	other threads:[~2021-05-05 10:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-05  3:57 [PATCH 0/6] drm/vmwgfx: SVGA v3 and arm64 support Zack Rusin
2021-05-05  3:57 ` [PATCH 1/6] drm/vmwgfx: Fix incorrect enum usage Zack Rusin
2021-05-05  3:57 ` [PATCH 2/6] drm/vmwgfx: Mark a surface gpu-dirty after the SVGA3dCmdDXGenMips command Zack Rusin
2021-05-05  3:57 ` [PATCH 3/6] drm/vmwgfx: Fix cpu updates of coherent multisample surfaces Zack Rusin
2021-05-05  3:57 ` [PATCH 4/6] drm/vmwgfx: Remove the reservation semaphore Zack Rusin
2021-05-05  3:57 ` [PATCH 5/6] drm/vmwgfx: Add basic support for SVGA3 Zack Rusin
2021-05-05  7:46   ` kernel test robot
2021-05-05  8:23   ` kernel test robot
2021-05-05 10:10   ` kernel test robot
2021-05-05 10:10   ` kernel test robot [this message]
2021-05-05 19:10   ` Zack Rusin
2021-05-05  3:57 ` [PATCH 6/6] drm/vmwgfx: Port vmwgfx to arm64 Zack Rusin

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