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vvfat: avoid leaking file descriptor in commit_one_file() 

Reported-by: Dr David Alan Gilbert <davidagilbert@uk.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Stefan Hajnoczi 2012-01-06 16:57:44 +00:00
parent dabdf39425
commit 8d98734651
1 changed files with 3 additions and 0 deletions
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3
block/vvfat.c
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@ -2218,6 +2218,7 @@ static int commit_one_file(BDRVVVFATState* s,
}
if (offset > 0) {
if (lseek(fd, offset, SEEK_SET) != offset) {
close(fd);
g_free(cluster);
return -3;
}
@ -2238,11 +2239,13 @@ static int commit_one_file(BDRVVVFATState* s,
(uint8_t*)cluster, (rest_size + 0x1ff) / 0x200);
if (ret < 0) {
close(fd);
g_free(cluster);
return ret;
}
if (write(fd, cluster, rest_size) < 0) {
close(fd);
g_free(cluster);
return -2;
}