From ff4e770e645c05da48baddb30a77b9dc15ca76fd Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 6 Mar 2020 15:00:46 +0100
Subject: [SERVER] Handle "warn unused result" cases

---
 src/server/image.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/server/image.c')

diff --git a/src/server/image.c b/src/server/image.c
index 7ffe041..32c9efe 100644
--- a/src/server/image.c
+++ b/src/server/image.c
@@ -1446,9 +1446,13 @@ static bool image_clone(int sock, char *name, uint16_t revision, uint64_t imageS
 				logadd( LOG_WARNING, "OTF-Clone: Corrupted CRC-32 list. ignored. (%s)", name );
 			} else {
 				int fd = open( crcFile, O_WRONLY | O_CREAT, 0644 );
-				write( fd, &masterCrc, sizeof(uint32_t) );
-				write( fd, crc32list, crc32len );
+				ssize_t ret = write( fd, &masterCrc, sizeof(masterCrc) );
+				ret += write( fd, crc32list, crc32len );
 				close( fd );
+				if ( (size_t)ret != crc32len + sizeof(masterCrc) ) {
+					logadd( LOG_WARNING, "Could not save freshly received crc32 list for %s:%d", name, (int)revision );
+					unlink( crcFile );
+				}
 			}
 		}
 		free( crc32list );
-- 
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