diff options
Diffstat (limited to 'block/cow.c')
| -rw-r--r-- | block/cow.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/block/cow.c b/block/cow.c index 3733385840..97e9745fc9 100644 --- a/block/cow.c +++ b/block/cow.c @@ -224,7 +224,7 @@ static int cow_create(const char *filename, QEMUOptionParameter *options) cow_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644); if (cow_fd < 0) - return -1; + return -errno; memset(&cow_header, 0, sizeof(cow_header)); cow_header.magic = cpu_to_be32(COW_MAGIC); cow_header.version = cpu_to_be32(COW_VERSION); @@ -251,7 +251,7 @@ static int cow_create(const char *filename, QEMUOptionParameter *options) cow_header.size = cpu_to_be64(image_sectors * 512); ret = qemu_write_full(cow_fd, &cow_header, sizeof(cow_header)); if (ret != sizeof(cow_header)) { - ret = -1; + ret = -errno; goto exit; } @@ -262,7 +262,6 @@ static int cow_create(const char *filename, QEMUOptionParameter *options) goto exit; } - ret = 0; exit: close(cow_fd); return ret; |