git: bfe6a0afaa71 - main - etdump: warn only once for non El Torito bootable ISO images

From: Ed Maste <emaste_at_FreeBSD.org>
Date: Tue, 15 Aug 2023 13:44:48 UTC
The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=bfe6a0afaa718c88061ee70f2ce970ae8a3ba69d

commit bfe6a0afaa718c88061ee70f2ce970ae8a3ba69d
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2023-04-22 00:36:28 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2023-08-15 13:40:39 +0000

    etdump: warn only once for non El Torito bootable ISO images
    
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D39869
---
 usr.bin/etdump/etdump.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/usr.bin/etdump/etdump.c b/usr.bin/etdump/etdump.c
index b234fc9d7ff8..e393eba61a84 100644
--- a/usr.bin/etdump/etdump.c
+++ b/usr.bin/etdump/etdump.c
@@ -167,9 +167,8 @@ dump_eltorito(FILE *iso, const char *filename, FILE *outfile,
 	bvd = (boot_volume_descriptor *)buffer;
 	if (memcmp(bvd->identifier, ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5) != 0)
 		warnx("%s: not a valid ISO", filename);
-	if (bvd->boot_record_indicator[0] != ISO_VOLUME_DESCRIPTOR_BOOT)
-		warnx("%s: not an El Torito bootable ISO", filename);
-	if (memcmp(bvd->boot_system_identifier, ET_ID, 23) != 0)
+	if (bvd->boot_record_indicator[0] != ISO_VOLUME_DESCRIPTOR_BOOT ||
+	    memcmp(bvd->boot_system_identifier, ET_ID, 23) != 0)
 		warnx("%s: not an El Torito bootable ISO", filename);
 
 	boot_catalog = isonum_731(bvd->boot_catalog_pointer);