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sk: handle erorors of lseek

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CID 159475 (#1 of 1): Unchecked return value from library (CHECKED_RETURN)
1. check_return: Calling lseek(img_raw_fd(img), pkt->entry->length, 1)
   without checking return value. This library function may fail and return an error code.

Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Andrew Vagin 2016-04-07 20:29:44 +03:00 • committed by Pavel Emelyanov
parent 40b68eb405
commit 72b48d2713
1 changed files with 4 additions and 1 deletions
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5
criu/sk-queue.c
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@ -44,7 +44,10 @@ static int collect_one_packet(void *obj, ProtobufCMessage *msg, struct cr_img *i
* will be broken.
*/
list_add_tail(&pkt->list, &packets_list);
lseek(img_raw_fd(img), pkt->entry->length, SEEK_CUR);
if (lseek(img_raw_fd(img), pkt->entry->length, SEEK_CUR) < 0) {
pr_perror("Unable to change an image offset");
return -1;
}
return 0;
}