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iASL/Preprocessor: Fix possible memory leak in macro processor.

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Free buffer in error exit path. ACPICA BZ 1047.
This commit is contained in:
Robert Moore 2014-01-17 14:34:43 -08:00
parent 0bd9445697
commit ff5bf1b503
1 changed files with 10 additions and 3 deletions
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13
source/compiler/prmacros.c
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@ -432,7 +432,7 @@ PrAddMacro (
if (ArgCount >= PR_MAX_MACRO_ARGS)
{
PrError (ASL_ERROR, ASL_MSG_TOO_MANY_ARGUMENTS, TokenOffset);
return;
goto ErrorExit;
}
}
@ -472,7 +472,7 @@ PrAddMacro (
PrError (ASL_ERROR, ASL_MSG_TOO_MANY_ARGUMENTS,
THIS_TOKEN_OFFSET (Token));
return;
goto ErrorExit;
}
break;
}
@ -504,7 +504,7 @@ AddMacroToList:
THIS_TOKEN_OFFSET (Name));
}
return;
goto ErrorExit;
}
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
@ -523,6 +523,13 @@ AddMacroToList:
DefineInfo->Args = Args;
DefineInfo->ArgCount = ArgCount;
}
return;
ErrorExit:
ACPI_FREE (Args);
return;
}