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timeshift: fix some coverity issues

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This commit is contained in:
Jaroslav Kysela 2014-10-03 21:02:56 +02:00
parent d3fcdf37a7
commit ab8f4bf1f4
1 changed files with 8 additions and 3 deletions
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11
src/timeshift/timeshift_reader.c
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@ -52,8 +52,8 @@ static ssize_t _read_pktbuf ( int fd, pktbuf_t **pktbuf )
if (r != sizeof(sz)) return 0;
cnt += r;
/* Empty */
if (!sz) {
/* Empty And Sanity Check */
if (!sz || sz > 1024 * 1024) {
*pktbuf = NULL;
return cnt;
}
@ -93,6 +93,9 @@ static ssize_t _read_msg ( int fd, streaming_message_t **sm )
/* EOF */
if (sz == 0) return cnt;
/* Wrong data size */
if (sz > 1024 * 1024) return -1;
/* Type */
r = read(fd, &type, sizeof(type));
if (r < 0) return -1;
@ -320,10 +323,12 @@ static int _timeshift_read
if (*cur_file) {
/* Open file */
if (*fd == -1) {
if (*fd < 0) {
tvhtrace("timeshift", "ts %d open file %s",
ts->id, (*cur_file)->path);
*fd = open((*cur_file)->path, O_RDONLY);
if (*fd < 0)
return -1;
}
tvhtrace("timeshift", "ts %d seek to %jd", ts->id, (intmax_t)*cur_off);
lseek(*fd, *cur_off, SEEK_SET);