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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Alex Deucher <alexander.deucher@amd.com>
Cc: "Tom St Denis" <tom.stdenis@amd.com>,
	"David Airlie" <airlied@linux.ie>,
	kernel-janitors@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, "Evan Quan" <evan.quan@amd.com>,
	"Rex Zhu" <Rex.Zhu@amd.com>,
	"Christian König" <christian.koenig@amd.com>
Subject: [PATCH] drm/amd/pp: silence a static checker warning
Date: Fri, 23 Mar 2018 14:39:03 +0300	[thread overview]
Message-ID: <20180323113903.GD28518@mwanda> (raw)

This has a static checker warning because "frev" and "crev" can be
uninitialized if "info" is NULL.  I just changed the order of the checks
so that we check "info" first.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index 75a465f771f0..7b26607c646a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -319,13 +319,13 @@ static int smu8_get_system_info_data(struct pp_hwmgr *hwmgr)
 			GetIndexIntoMasterTable(DATA, IntegratedSystemInfo),
 			&size, &frev, &crev);
 
-	if (crev != 9) {
-		pr_err("Unsupported IGP table: %d %d\n", frev, crev);
+	if (info == NULL) {
+		pr_err("Could not retrieve the Integrated System Info Table!\n");
 		return -EINVAL;
 	}
 
-	if (info == NULL) {
-		pr_err("Could not retrieve the Integrated System Info Table!\n");
+	if (crev != 9) {
+		pr_err("Unsupported IGP table: %d %d\n", frev, crev);
 		return -EINVAL;
 	}
 
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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Alex Deucher <alexander.deucher@amd.com>
Cc: "Tom St Denis" <tom.stdenis@amd.com>,
	"David Airlie" <airlied@linux.ie>,
	kernel-janitors@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, "Evan Quan" <evan.quan@amd.com>,
	"Rex Zhu" <Rex.Zhu@amd.com>,
	"Christian König" <christian.koenig@amd.com>
Subject: [PATCH] drm/amd/pp: silence a static checker warning
Date: Fri, 23 Mar 2018 11:39:03 +0000	[thread overview]
Message-ID: <20180323113903.GD28518@mwanda> (raw)

This has a static checker warning because "frev" and "crev" can be
uninitialized if "info" is NULL.  I just changed the order of the checks
so that we check "info" first.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index 75a465f771f0..7b26607c646a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -319,13 +319,13 @@ static int smu8_get_system_info_data(struct pp_hwmgr *hwmgr)
 			GetIndexIntoMasterTable(DATA, IntegratedSystemInfo),
 			&size, &frev, &crev);
 
-	if (crev != 9) {
-		pr_err("Unsupported IGP table: %d %d\n", frev, crev);
+	if (info = NULL) {
+		pr_err("Could not retrieve the Integrated System Info Table!\n");
 		return -EINVAL;
 	}
 
-	if (info = NULL) {
-		pr_err("Could not retrieve the Integrated System Info Table!\n");
+	if (crev != 9) {
+		pr_err("Unsupported IGP table: %d %d\n", frev, crev);
 		return -EINVAL;
 	}
 

             reply	other threads:[~2018-03-23 11:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-23 11:39 Dan Carpenter [this message]
2018-03-23 11:39 ` [PATCH] drm/amd/pp: silence a static checker warning Dan Carpenter
2018-03-26  3:30 ` Huang Rui
2018-03-26  3:30   ` Huang Rui
2018-03-27  8:59   ` rezhu
2018-03-27  8:59     ` rezhu

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