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udevadm: hwdb - check return value of fseeko()

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Fonud by Coverity. Fixes CID #996255.
This commit is contained in:
Tom Gundersen 2014-09-18 19:16:54 +02:00
parent d457ff8319
commit f901aaadd6
1 changed files with 12 additions and 2 deletions
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14
src/udev/udevadm-hwdb.c
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@ -365,7 +365,12 @@ static int trie_store(struct trie *trie, const char *filename) {
fchmod(fileno(t.f), 0444);
/* write nodes */
fseeko(t.f, sizeof(struct trie_header_f), SEEK_SET);
err = fseeko(t.f, sizeof(struct trie_header_f), SEEK_SET);
if (err < 0) {
fclose(t.f);
unlink_noerrno(filename_tmp);
return -errno;
}
root_off = trie_store_nodes(&t, trie->root);
h.nodes_root_off = htole64(root_off);
pos = ftello(t.f);
@ -378,7 +383,12 @@ static int trie_store(struct trie *trie, const char *filename) {
/* write header */
size = ftello(t.f);
h.file_size = htole64(size);
fseeko(t.f, 0, SEEK_SET);
err = fseeko(t.f, 0, SEEK_SET);
if (err < 0) {
fclose(t.f);
unlink_noerrno(filename_tmp);
return -errno;
}
fwrite(&h, sizeof(struct trie_header_f), 1, t.f);
err = ferror(t.f);
if (err)