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RRModeCreate: plug memory leak of newModes if AddResource fails

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Reported by parfait 1.0:

Error: Memory leak (CWE 401)
   Memory leak of pointer 'newModes' allocated with realloc(((char*)modes), ((num_modes + 1) * 8))
        at line 93 of randr/rrmode.c in function 'RRModeCreate'.
          pointer allocated at line 82 with realloc(((char*)modes), ((num_modes + 1) * 8)).
Error: Memory leak (CWE 401)
   Memory leak of pointer 'newModes' allocated with malloc(8)
        at line 93 of randr/rrmode.c in function 'RRModeCreate'.
          pointer allocated at line 84 with malloc(8).

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Alan Coopersmith 2012-07-14 11:21:15 -07:00
parent 1eb7be8633
commit c7b7abfaa0
1 changed files with 3 additions and 1 deletions
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4
randr/rrmode.c
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@ -89,8 +89,10 @@ RRModeCreate(xRRModeInfo * modeInfo, const char *name, ScreenPtr userScreen)
}
mode->mode.id = FakeClientID(0);
if (!AddResource(mode->mode.id, RRModeType, (pointer) mode))
if (!AddResource(mode->mode.id, RRModeType, (pointer) mode)) {
free(newModes);
return NULL;
}
modes = newModes;
modes[num_modes++] = mode;