From: Colin King <colin.king@canonical.com>
To: Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
David Airlie <airlied@linux.ie>,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/i915/gvt: fix memory leak of a cmd_entry struct on error exit path
Date: Tue, 10 Apr 2018 13:33:12 +0100 [thread overview]
Message-ID: <20180410123312.24631-1-colin.king@canonical.com> (raw)
From: Colin Ian King <colin.king@canonical.com>
The error exit path when a duplicate is found does not kfree and cmd_entry
struct and hence there is a small memory leak. Fix this by kfree'ing it.
Detected by CoverityScan, CID#1370198 ("Resource Leak")
Fixes: be1da7070aea ("drm/i915/gvt: vGPU command scanner")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/gpu/drm/i915/gvt/cmd_parser.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index d85939bd7b47..3b6d26c44e37 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2864,6 +2864,7 @@ static int init_cmd_table(struct intel_gvt *gvt)
if (info) {
gvt_err("%s %s duplicated\n", e->info->name,
info->name);
+ kfree(e);
return -EEXIST;
}
--
2.15.1
WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com>
To: Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
David Airlie <airlied@linux.ie>,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/i915/gvt: fix memory leak of a cmd_entry struct on error exit path
Date: Tue, 10 Apr 2018 12:33:12 +0000 [thread overview]
Message-ID: <20180410123312.24631-1-colin.king@canonical.com> (raw)
From: Colin Ian King <colin.king@canonical.com>
The error exit path when a duplicate is found does not kfree and cmd_entry
struct and hence there is a small memory leak. Fix this by kfree'ing it.
Detected by CoverityScan, CID#1370198 ("Resource Leak")
Fixes: be1da7070aea ("drm/i915/gvt: vGPU command scanner")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/gpu/drm/i915/gvt/cmd_parser.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index d85939bd7b47..3b6d26c44e37 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2864,6 +2864,7 @@ static int init_cmd_table(struct intel_gvt *gvt)
if (info) {
gvt_err("%s %s duplicated\n", e->info->name,
info->name);
+ kfree(e);
return -EEXIST;
}
--
2.15.1
WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com>
To: Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
David Airlie <airlied@linux.ie>,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/i915/gvt: fix memory leak of a cmd_entry struct on error exit path
Date: Tue, 10 Apr 2018 13:33:12 +0100 [thread overview]
Message-ID: <20180410123312.24631-1-colin.king@canonical.com> (raw)
From: Colin Ian King <colin.king@canonical.com>
The error exit path when a duplicate is found does not kfree and cmd_entry
struct and hence there is a small memory leak. Fix this by kfree'ing it.
Detected by CoverityScan, CID#1370198 ("Resource Leak")
Fixes: be1da7070aea ("drm/i915/gvt: vGPU command scanner")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/gpu/drm/i915/gvt/cmd_parser.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index d85939bd7b47..3b6d26c44e37 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2864,6 +2864,7 @@ static int init_cmd_table(struct intel_gvt *gvt)
if (info) {
gvt_err("%s %s duplicated\n", e->info->name,
info->name);
+ kfree(e);
return -EEXIST;
}
--
2.15.1
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next reply other threads:[~2018-04-10 12:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-10 12:33 Colin King [this message]
2018-04-10 12:33 ` [PATCH] drm/i915/gvt: fix memory leak of a cmd_entry struct on error exit path Colin King
2018-04-10 12:33 ` Colin King
2018-04-10 13:16 ` Chris Wilson
2018-04-10 13:16 ` Chris Wilson
2018-04-10 13:16 ` Chris Wilson
2018-04-10 13:26 ` ✓ Fi.CI.BAT: success for " Patchwork
2018-04-10 14:31 ` ✗ Fi.CI.IGT: warning " Patchwork
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