cifs: Cleanup: check return codes of crypto api calls
Check return codes of crypto api calls and either log an error or log
an error and return from the calling function with error.
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index 1c5b770..42b9fff 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -157,8 +157,14 @@
cERROR(1, "%s: Could not init md4 shash\n", __func__);
goto mdfour_err;
}
- crypto_shash_update(&sdescmd4->shash, link_str, link_len);
+ rc = crypto_shash_update(&sdescmd4->shash, link_str, link_len);
+ if (rc) {
+ cERROR(1, "%s: Could not update with link_str\n", __func__);
+ goto mdfour_err;
+ }
rc = crypto_shash_final(&sdescmd4->shash, md4_hash);
+ if (rc)
+ cERROR(1, "%s: Could not genereate md4 hash\n", __func__);
mdfour_err:
crypto_free_shash(md4);