git: f1ceb05a469f - main - md5: Fix input error check.

The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=f1ceb05a469ffe03f25aeea5f9f72a6d8f75bcd1

commit f1ceb05a469ffe03f25aeea5f9f72a6d8f75bcd1
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-05-09 17:59:13 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-05-10 09:25:21 +0000

    md5: Fix input error check.
    
    Fixes:          4849767cb16a
    MFC after:      1 week
    Sponsored by:   Klara, Inc.
    Reviewed by:    tsoome, kevans, lwhsu
    Differential Revision:  https://reviews.freebsd.org/D40017
---
 sbin/md5/md5.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sbin/md5/md5.c b/sbin/md5/md5.c
index 98cfb37110d5..bca6a98fc32c 100644
--- a/sbin/md5/md5.c
+++ b/sbin/md5/md5.c
@@ -686,7 +686,7 @@ MDInput(const Algorithm_t *alg, FILE *f, char *buf, bool tee)
 		switch (input_mode) {
 		case input_binary:
 		case input_text:
-			if (tee && fwrite(block, 1, len, stdout) != (size_t)len)
+			if (tee && fwrite(block, 1, len, stdout) != len)
 				err(1, "stdout");
 			alg->Update(&context, block, len);
 			break;
@@ -734,7 +734,7 @@ MDInput(const Algorithm_t *alg, FILE *f, char *buf, bool tee)
 			break;
 		}
 	}
-	if (len < 0) {
+	if (ferror(f)) {
 		alg->End(&context, buf);
 		return (NULL);
 	}