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-rw-r--r--usr.sbin/boot0cfg/boot0cfg.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/boot0cfg/boot0cfg.c b/usr.sbin/boot0cfg/boot0cfg.c
index 2602e50..20b615a 100644
--- a/usr.sbin/boot0cfg/boot0cfg.c
+++ b/usr.sbin/boot0cfg/boot0cfg.c
@@ -337,6 +337,8 @@ read_mbr(const char *disk, u_int8_t **mbr, int check_version)
return (mbr_size);
}
*mbr = malloc(sizeof(buf));
+ if (mbr == NULL)
+ errx(1, "%s: unable to allocate MBR buffer", disk);
memcpy(*mbr, buf, sizeof(buf));
close(fd);
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