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qcow2: return errno instead of -1 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2010-03-04 10:00:32 +01:00 committed by Anthony Liguori
parent 24ac07dec7
commit bef57da55c
1 changed files with 9 additions and 9 deletions
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18
block/qcow2.c
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@ -851,7 +851,7 @@ static int qcow_create2(const char *filename, int64_t total_size,
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644); fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
if (fd < 0) if (fd < 0)
return -1; return -errno;
memset(&header, 0, sizeof(header)); memset(&header, 0, sizeof(header));
header.magic = cpu_to_be32(QCOW_MAGIC); header.magic = cpu_to_be32(QCOW_MAGIC);
header.version = cpu_to_be32(QCOW_VERSION); header.version = cpu_to_be32(QCOW_VERSION);
@ -930,7 +930,7 @@ static int qcow_create2(const char *filename, int64_t total_size,
/* write all the data */ /* write all the data */
ret = qemu_write_full(fd, &header, sizeof(header)); ret = qemu_write_full(fd, &header, sizeof(header));
if (ret != sizeof(header)) { if (ret != sizeof(header)) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
if (backing_file) { if (backing_file) {
@ -943,25 +943,25 @@ static int qcow_create2(const char *filename, int64_t total_size,
cpu_to_be32s(&ext_bf.len); cpu_to_be32s(&ext_bf.len);
ret = qemu_write_full(fd, &ext_bf, sizeof(ext_bf)); ret = qemu_write_full(fd, &ext_bf, sizeof(ext_bf));
if (ret != sizeof(ext_bf)) { if (ret != sizeof(ext_bf)) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
ret = qemu_write_full(fd, backing_format, backing_format_len); ret = qemu_write_full(fd, backing_format, backing_format_len);
if (ret != backing_format_len) { if (ret != backing_format_len) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
if (padding > 0) { if (padding > 0) {
ret = qemu_write_full(fd, zero, padding); ret = qemu_write_full(fd, zero, padding);
if (ret != padding) { if (ret != padding) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
} }
} }
ret = qemu_write_full(fd, backing_file, backing_filename_len); ret = qemu_write_full(fd, backing_file, backing_filename_len);
if (ret != backing_filename_len) { if (ret != backing_filename_len) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
} }
@ -970,14 +970,14 @@ static int qcow_create2(const char *filename, int64_t total_size,
for(i = 0;i < l1_size; i++) { for(i = 0;i < l1_size; i++) {
ret = qemu_write_full(fd, &tmp, sizeof(tmp)); ret = qemu_write_full(fd, &tmp, sizeof(tmp));
if (ret != sizeof(tmp)) { if (ret != sizeof(tmp)) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
} }
lseek(fd, s->refcount_table_offset, SEEK_SET); lseek(fd, s->refcount_table_offset, SEEK_SET);
ret = qemu_write_full(fd, s->refcount_table, s->cluster_size); ret = qemu_write_full(fd, s->refcount_table, s->cluster_size);
if (ret != s->cluster_size) { if (ret != s->cluster_size) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }
@ -985,7 +985,7 @@ static int qcow_create2(const char *filename, int64_t total_size,
ret = qemu_write_full(fd, s->refcount_block, ret = qemu_write_full(fd, s->refcount_block,
ref_clusters * s->cluster_size); ref_clusters * s->cluster_size);
if (ret != ref_clusters * s->cluster_size) { if (ret != ref_clusters * s->cluster_size) {
ret = -1; ret = -errno;
goto exit; goto exit;
} }