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From: Tong Wu <tong1.wu-at-intel.com@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Tong Wu <tong1.wu@intel.com>
Subject: [FFmpeg-devel] [PATCH] qsv: add return value check for MFXQueryIMPL
Date: Thu, 24 Feb 2022 10:27:39 +0800
Message-ID: <20220224022740.58216-1-tong1.wu@intel.com> (raw)

add a return value check for function MFXQueryIMPL to handle the error
message.

Signed-off-by: Tong Wu <tong1.wu@intel.com>
---
 libavcodec/qsv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index 1a432dbd82..18f34f05fd 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -408,7 +408,10 @@ int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
         return ret;
     }
 
-    MFXQueryIMPL(qs->session, &impl);
+    ret = MFXQueryIMPL(qs->session, &impl);
+    if (ret != MFX_ERR_NONE)
+        return ff_qsv_print_error(avctx, ret,
+                                  "Error querying the session attributes");
 
     switch (MFX_IMPL_BASETYPE(impl)) {
     case MFX_IMPL_SOFTWARE:
-- 
2.16.1.windows.4

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             reply	other threads:[~2022-02-24  2:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-24  2:27 Tong Wu [this message]
2022-02-24  2:27 ` [FFmpeg-devel] [PATCH] qsvenc: avoid dereferencing the null pointer Tong Wu
2022-02-28  6:39   ` Xiang, Haihao
2022-02-28  6:39 ` [FFmpeg-devel] [PATCH] qsv: add return value check for MFXQueryIMPL Xiang, Haihao

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