diff mbox series

[FFmpeg-devel,v1] avformat/imf: fix CPL parsing error handling

Message ID 20220104061056.32737-1-pal@sandflow.com
State New
Headers show
Series [FFmpeg-devel,v1] avformat/imf: fix CPL parsing error handling | expand

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Commit Message

Pierre-Anthony Lemieux Jan. 4, 2022, 6:10 a.m. UTC
From: Pierre-Anthony Lemieux <pal@palemieux.com>

Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com>
---
 libavformat/imf_cpl.c | 51 +++++++++++++++++++++++--------------------
 1 file changed, 27 insertions(+), 24 deletions(-)

Comments

Zane van Iperen Jan. 5, 2022, 12:58 a.m. UTC | #1
On 4/1/22 16:10, pal@sandflow.com wrote:
> From: Pierre-Anthony Lemieux <pal@palemieux.com>
> 
> Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com>
> ---
>   libavformat/imf_cpl.c | 51 +++++++++++++++++++++++--------------------
>   1 file changed, 27 insertions(+), 24 deletions(-)

Could you please resend this as two separate commits? One with the change, one
with the re-indenting? It makes it easier to review (and bisect) in the future.

For reference, the effective change is:

diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
index 28798d3e36..366a1be9e2 100644
--- a/libavformat/imf_cpl.c
+++ b/libavformat/imf_cpl.c
@@ -807,7 +807,9 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
          av_log(NULL, AV_LOG_ERROR, "Cannot read IMF CPL\n");
          if (ret == 0)
              ret = AVERROR_INVALIDDATA;
-    } else {
+        goto clean_up;
+    }
+
          LIBXML_TEST_VERSION
  
          filesize = buf.len;
@@ -817,6 +819,7 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
                     AV_LOG_ERROR,
                     "XML parsing failed when reading the IMF CPL\n");
              ret = AVERROR_INVALIDDATA;
+            goto clean_up;
          }
  
          if ((ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl))) {
@@ -833,8 +836,8 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
          }
  
          xmlFreeDoc(doc);
-    }
  
+clean_up:
      av_bprint_finalize(&buf, NULL);
  
      return ret;


> +        av_log(NULL,
> +                AV_LOG_INFO,
> +                "IMF CPL Id: " FF_IMF_UUID_FORMAT "\n",
> +                UID_ARG((*cpl)->id_uuid));
> +    }
> +
> +    xmlFreeDoc(doc);
> +    

Trailing whitespace here.
Pierre-Anthony Lemieux Jan. 5, 2022, 2:44 a.m. UTC | #2
On Tue, Jan 4, 2022 at 4:58 PM Zane van Iperen <zane@zanevaniperen.com> wrote:
>
>
>
> On 4/1/22 16:10, pal@sandflow.com wrote:
> > From: Pierre-Anthony Lemieux <pal@palemieux.com>
> >
> > Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com>
> > ---
> >   libavformat/imf_cpl.c | 51 +++++++++++++++++++++++--------------------
> >   1 file changed, 27 insertions(+), 24 deletions(-)
>
> Could you please resend this as two separate commits? One with the change, one
> with the re-indenting? It makes it easier to review (and bisect) in the future.

Ok. Got it. See v2 at:

http://ffmpeg.org/pipermail/ffmpeg-devel/2022-January/290840.html

>
> For reference, the effective change is:
>
> diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
> index 28798d3e36..366a1be9e2 100644
> --- a/libavformat/imf_cpl.c
> +++ b/libavformat/imf_cpl.c
> @@ -807,7 +807,9 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
>           av_log(NULL, AV_LOG_ERROR, "Cannot read IMF CPL\n");
>           if (ret == 0)
>               ret = AVERROR_INVALIDDATA;
> -    } else {
> +        goto clean_up;
> +    }
> +
>           LIBXML_TEST_VERSION
>
>           filesize = buf.len;
> @@ -817,6 +819,7 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
>                      AV_LOG_ERROR,
>                      "XML parsing failed when reading the IMF CPL\n");
>               ret = AVERROR_INVALIDDATA;
> +            goto clean_up;
>           }
>
>           if ((ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl))) {
> @@ -833,8 +836,8 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
>           }
>
>           xmlFreeDoc(doc);
> -    }
>
> +clean_up:
>       av_bprint_finalize(&buf, NULL);
>
>       return ret;
>
>
> > +        av_log(NULL,
> > +                AV_LOG_INFO,
> > +                "IMF CPL Id: " FF_IMF_UUID_FORMAT "\n",
> > +                UID_ARG((*cpl)->id_uuid));
> > +    }
> > +
> > +    xmlFreeDoc(doc);
> > +
>
> Trailing whitespace here.
>
>
diff mbox series

Patch

diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
index 167244a5a2..72fc7ffec8 100644
--- a/libavformat/imf_cpl.c
+++ b/libavformat/imf_cpl.c
@@ -807,34 +807,37 @@  int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
         av_log(NULL, AV_LOG_ERROR, "Cannot read IMF CPL\n");
         if (ret == 0)
             ret = AVERROR_INVALIDDATA;
-    } else {
-        LIBXML_TEST_VERSION
-
-        filesize = buf.len;
-        doc = xmlReadMemory(buf.str, filesize, NULL, NULL, 0);
-        if (!doc) {
-            av_log(NULL,
-                   AV_LOG_ERROR,
-                   "XML parsing failed when reading the IMF CPL\n");
-            ret = AVERROR_INVALIDDATA;
-        }
+        goto clean_up;
+    }
 
-        if ((ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl))) {
-            av_log(NULL, AV_LOG_ERROR, "Cannot parse IMF CPL\n");
-        } else {
-            av_log(NULL,
-                   AV_LOG_INFO,
-                   "IMF CPL ContentTitle: %s\n",
-                   (*cpl)->content_title_utf8);
-            av_log(NULL,
-                   AV_LOG_INFO,
-                   "IMF CPL Id: " FF_IMF_UUID_FORMAT "\n",
-                   UID_ARG((*cpl)->id_uuid));
-        }
+    LIBXML_TEST_VERSION
 
-        xmlFreeDoc(doc);
+    filesize = buf.len;
+    doc = xmlReadMemory(buf.str, filesize, NULL, NULL, 0);
+    if (!doc) {
+        av_log(NULL,
+                AV_LOG_ERROR,
+                "XML parsing failed when reading the IMF CPL\n");
+        ret = AVERROR_INVALIDDATA;
+        goto clean_up;
     }
 
+    if ((ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl))) {
+        av_log(NULL, AV_LOG_ERROR, "Cannot parse IMF CPL\n");
+    } else {
+        av_log(NULL,
+                AV_LOG_INFO,
+                "IMF CPL ContentTitle: %s\n",
+                (*cpl)->content_title_utf8);
+        av_log(NULL,
+                AV_LOG_INFO,
+                "IMF CPL Id: " FF_IMF_UUID_FORMAT "\n",
+                UID_ARG((*cpl)->id_uuid));
+    }
+
+    xmlFreeDoc(doc);
+    
+clean_up:
     av_bprint_finalize(&buf, NULL);
 
     return ret;