[PATCH 1/9] crypto: digest: digest_file_window: check every digest_xxx return
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Tue Mar 17 04:53:08 PDT 2015
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
crypto/digest.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/crypto/digest.c b/crypto/digest.c
index c06089d..2228ec7 100644
--- a/crypto/digest.c
+++ b/crypto/digest.c
@@ -128,7 +128,9 @@ int digest_file_window(struct digest *d, const char *filename,
if (key)
digest_set_key(d, key, keylen);
- digest_init(d);
+ ret = digest_init(d);
+ if (ret)
+ return ret;
fd = open(filename, O_RDONLY);
if (fd < 0) {
@@ -172,12 +174,14 @@ int digest_file_window(struct digest *d, const char *filename,
goto out_free;
}
- digest_update(d, buf, now);
+ ret = digest_update(d, buf, now);
+ if (ret)
+ goto out_free;
size -= now;
len += now;
}
- digest_final(d, hash);
+ ret = digest_final(d, hash);
out_free:
if (flags)
--
2.1.4
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