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Fix potential crash when importing dives

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If the last of the preexisting dives gets merged with a new dive we end up
dereferencing a freed pointer.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2012-09-15 20:47:53 -07:00
parent 421366d0fb
commit fa2f1b6eb0
1 changed files with 3 additions and 0 deletions
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3
main.c
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@ -125,6 +125,9 @@ void report_dives(gboolean is_imported)
if (!merged) if (!merged)
continue; continue;
/* careful - we might free the dive that last points to. Oops... */
if (last == prev || last == dive)
last = merged;
free(prev); free(prev);
free(dive); free(dive);
*pp = merged; *pp = merged;