CodeSonar : Pvm : Free Null Pointer

Categories:	LANG.ALLOC.FNP CWE:590
Warning ID:	2705.2758
Procedure:	tm_addhost
Trace:	View
Modified:	Wed Sep 2 12:44:04 2009 show details hide details

Legend	[ X ]
Warning Location Contributes Parse Error Other Warning Two or More Loop Iterations On Execution Path Comment Macro Preprocessor Include Keyword Preprocessed Away

Source | Language: C

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Problem	Line	Source

			/u1/paul/SATE/2010/c/pvm/pvm3/src/tdpro.c

			Enter tm_addhost

	981		tm_addhost(tp, mp)
	982		struct task *tp;
	983		struct pmsg *mp;
	984		{
	985		int count;
	986		char *buf;
	987		struct waitc *wp;
	988
	989		/* sanity check the message */
	990
	991		if (upkint(mp, &count ))
	992		goto bad;
	993		if (count < 1 \|\| count > (tidhmask >> (ffs(tidhmask) - 1)))
	994		goto bad;
	995		while (count-- > 0) {

if (upkstralloc(mp, &buf ))

goto bad;

else

PVM_FREE(buf); /* Free Null Pointer */

Preconditions

&$unknown_968097 >= 2

Postconditions

buf' = 0
count' = &$unknown_968097 - 2
mp' = $param_2
tp' = $param_1