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[Garima <garima.g@xxxxxxxxxxx>]

Public bug reported:

At libmng_display.c:3256
Return value of a function 'mng_reset_object_details' is not captured in other variable and is not checked.

The solution is to capture return value of 'mng_reset_object_details' in iRetcode 
if (iRetcode)
  return;

At libmng_display.c:3540
Return value of a function 'load_bkgdlayer'is not captured in other variable and is not checked.

The solution is to capture return value of 'load_bkgdlayer'in iRetcode 
if (iRetcode)
  return;

At libmng_hlapi.c:1434
Return value of a function 'mng_process_eof' is not captured in other variable and is not checked.

The solution is to capture return value of 'mng_process_eof' in iRetcode 
if (iRetcode)
  return;

For detail information please check the attached patch file.

** Affects: libmng (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "UNCHECKED_FUNC.patch"
   https://bugs.launchpad.net/bugs/1501265/+attachment/4479766/+files/UNCHECKED_FUNC.patch

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https://bugs.launchpad.net/bugs/1501265

Title:
  unchecked function return value

Status in libmng package in Ubuntu:
  New

Bug description:
  At libmng_display.c:3256
  Return value of a function 'mng_reset_object_details' is not captured in other variable and is not checked.

  The solution is to capture return value of 'mng_reset_object_details' in iRetcode 
  if (iRetcode)
    return;

  At libmng_display.c:3540
  Return value of a function 'load_bkgdlayer'is not captured in other variable and is not checked.

  The solution is to capture return value of 'load_bkgdlayer'in iRetcode 
  if (iRetcode)
    return;

  At libmng_hlapi.c:1434
  Return value of a function 'mng_process_eof' is not captured in other variable and is not checked.

  The solution is to capture return value of 'mng_process_eof' in iRetcode 
  if (iRetcode)
    return;

  For detail information please check the attached patch file.

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