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Fix MFS ftruncate crash (Bug#370, reported by Aki Goto)

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This commit is contained in:
David van Moolenbroek 2009-12-24 23:43:16 +00:00
parent 6dc5d42798
commit c8f8d69204
1 changed files with 3 additions and 3 deletions
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6
servers/mfs/write.c
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@ -166,10 +166,10 @@ int op; /* special actions */
}
/* If the single indirect block isn't there (or was just freed),
* see if we have to keep the double indirect block.
* see if we have to keep the double indirect block, if any.
*/
if(z1 == NO_ZONE && !single && empty_indir(bp_dindir, rip->i_sp) &&
z2 != NO_ZONE) {
if(z1 == NO_ZONE && !single && z2 != NO_ZONE &&
empty_indir(bp_dindir, rip->i_sp)) {
free_zone(rip->i_dev, z2);
rip->i_zone[zones+1] = NO_ZONE;
}