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metadata: don't dereference the pointer before the validity check

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Stefan Kost 2009-07-20 16:19:40 +03:00
parent cae6b621aa
commit 51e022d288
1 changed files with 3 additions and 1 deletions
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4
ext/metadata/metadataexif.c
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@ -556,11 +556,13 @@ metadataparse_exif_content_foreach_entry_func (ExifEntry * entry,
MEUserData *meudata = (MEUserData *) user_data; MEUserData *meudata = (MEUserData *) user_data;
GType type = G_TYPE_NONE; GType type = G_TYPE_NONE;
ExifByteOrder byte_order; ExifByteOrder byte_order;
const gchar *tag = metadataparse_exif_get_tag_from_exif (entry->tag, &type); const gchar *tag;
/* We need the byte order */ /* We need the byte order */
if (!entry || !entry->parent || !entry->parent->parent) if (!entry || !entry->parent || !entry->parent->parent)
return; return;
tag = metadataparse_exif_get_tag_from_exif (entry->tag, &type);
byte_order = exif_data_get_byte_order (entry->parent->parent); byte_order = exif_data_get_byte_order (entry->parent->parent);
if (metadataparse_handle_unit_tags (entry, meudata, byte_order)) if (metadataparse_handle_unit_tags (entry, meudata, byte_order))