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Check exit value for snprintf where it makes sense.

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This commit is contained in:
Milan Broz
2021-05-18 21:41:42 +02:00
parent 413b484774
commit 4cdd826282
17 changed files with 104 additions and 42 deletions
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6
lib/luks2/luks2_reencrypt.c
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@@ -2399,9 +2399,11 @@ static int reencrypt_init(struct crypt_device *cd,
}
if (!cipher_mode || *cipher_mode == '\0')
snprintf(_cipher, sizeof(_cipher), "%s", cipher);
r = snprintf(_cipher, sizeof(_cipher), "%s", cipher);
else
snprintf(_cipher, sizeof(_cipher), "%s-%s", cipher, cipher_mode);
r = snprintf(_cipher, sizeof(_cipher), "%s-%s", cipher, cipher_mode);
if (r < 0 || (size_t)r >= sizeof(_cipher))
return -EINVAL;
if (MISALIGNED(params->data_shift, sector_size >> SECTOR_SHIFT)) {
log_err(cd, _("Data shift is not aligned to requested encryption sector size (%" PRIu32 " bytes)."), sector_size);