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qcow: 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 10:00:33 +01:00 committed by Anthony Liguori
parent bef57da55c
commit 98c2b2f437
1 changed files with 4 additions and 4 deletions
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8
block/qcow.c
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@ -766,7 +766,7 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
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);
@ -804,14 +804,14 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
/* 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) {
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;
} }
@ -821,7 +821,7 @@ static int qcow_create(const char *filename, QEMUOptionParameter *options)
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;
} }
} }