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authorRyota Ozaki <ozaki.ryota@gmail.com>2010-03-20 15:23:23 +0900
committerAurelien Jarno <aurelien@aurel32.net>2010-03-27 14:02:46 +0100
commitb6353bea572f8cc0f35fb7dc438ce74c08dda9e7 (patch)
tree5db9f4d97087309165cdc8387a1dcccc21f31aaf /qemu-nbd.c
parenta16c174c51e7cd896c701d5d0e8329e610e90ce1 (diff)
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qemu-nbd: Fix invalid usage of the first argument of errx
errx takes the exit status of a process as the first argument. Passing errno to it is wrong. Instead the patch lets errx take EXIT_FAILURE. Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'qemu-nbd.c')
-rw-r--r--qemu-nbd.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c
index b89c361..6d854d3 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -114,7 +114,7 @@ static int find_partition(BlockDriverState *bs, int partition,
int ext_partnum = 4;
if (bdrv_read(bs, 0, data, 1))
- errx(EINVAL, "error while reading");
+ errx(EXIT_FAILURE, "error while reading");
if (data[510] != 0x55 || data[511] != 0xaa) {
errno = -EINVAL;
@@ -133,7 +133,7 @@ static int find_partition(BlockDriverState *bs, int partition,
int j;
if (bdrv_read(bs, mbr[i].start_sector_abs, data1, 1))
- errx(EINVAL, "error while reading");
+ errx(EXIT_FAILURE, "error while reading");
for (j = 0; j < 4; j++) {
read_partition(&data1[446 + 16 * j], &ext[j]);
@@ -240,20 +240,20 @@ int main(int argc, char **argv)
case 'p':
li = strtol(optarg, &end, 0);
if (*end) {
- errx(EINVAL, "Invalid port `%s'", optarg);
+ errx(EXIT_FAILURE, "Invalid port `%s'", optarg);
}
if (li < 1 || li > 65535) {
- errx(EINVAL, "Port out of range `%s'", optarg);
+ errx(EXIT_FAILURE, "Port out of range `%s'", optarg);
}
port = (uint16_t)li;
break;
case 'o':
dev_offset = strtoll (optarg, &end, 0);
if (*end) {
- errx(EINVAL, "Invalid offset `%s'", optarg);
+ errx(EXIT_FAILURE, "Invalid offset `%s'", optarg);
}
if (dev_offset < 0) {
- errx(EINVAL, "Offset must be positive `%s'", optarg);
+ errx(EXIT_FAILURE, "Offset must be positive `%s'", optarg);
}
break;
case 'r':
@@ -263,14 +263,14 @@ int main(int argc, char **argv)
case 'P':
partition = strtol(optarg, &end, 0);
if (*end)
- errx(EINVAL, "Invalid partition `%s'", optarg);
+ errx(EXIT_FAILURE, "Invalid partition `%s'", optarg);
if (partition < 1 || partition > 8)
- errx(EINVAL, "Invalid partition %d", partition);
+ errx(EXIT_FAILURE, "Invalid partition %d", partition);
break;
case 'k':
socket = optarg;
if (socket[0] != '/')
- errx(EINVAL, "socket path must be absolute\n");
+ errx(EXIT_FAILURE, "socket path must be absolute\n");
break;
case 'd':
disconnect = true;
@@ -281,10 +281,10 @@ int main(int argc, char **argv)
case 'e':
shared = strtol(optarg, &end, 0);
if (*end) {
- errx(EINVAL, "Invalid shared device number '%s'", optarg);
+ errx(EXIT_FAILURE, "Invalid shared device number '%s'", optarg);
}
if (shared < 1) {
- errx(EINVAL, "Shared device number must be greater than 0\n");
+ errx(EXIT_FAILURE, "Shared device number must be greater than 0\n");
}
break;
case 't':
@@ -302,13 +302,13 @@ int main(int argc, char **argv)
exit(0);
break;
case '?':
- errx(EINVAL, "Try `%s --help' for more information.",
+ errx(EXIT_FAILURE, "Try `%s --help' for more information.",
argv[0]);
}
}
if ((argc - optind) != 1) {
- errx(EINVAL, "Invalid number of argument.\n"
+ errx(EXIT_FAILURE, "Invalid number of argument.\n"
"Try `%s --help' for more information.",
argv[0]);
}
@@ -316,7 +316,7 @@ int main(int argc, char **argv)
if (disconnect) {
fd = open(argv[optind], O_RDWR);
if (fd == -1)
- errx(errno, "Cannot open %s", argv[optind]);
+ errx(EXIT_FAILURE, "Cannot open %s", argv[optind]);
nbd_disconnect(fd);
@@ -340,7 +340,7 @@ int main(int argc, char **argv)
if (partition != -1 &&
find_partition(bs, partition, &dev_offset, &fd_size))
- errx(errno, "Could not find partition %d", partition);
+ errx(EXIT_FAILURE, "Could not find partition %d", partition);
if (device) {
pid_t pid;
@@ -349,7 +349,7 @@ int main(int argc, char **argv)
if (!verbose) {
/* detach client and server */
if (daemon(0, 0) == -1) {
- errx(errno, "Failed to daemonize");
+ errx(EXIT_FAILURE, "Failed to daemonize");
}
}
@@ -429,7 +429,7 @@ int main(int argc, char **argv)
data = qemu_memalign(512, NBD_BUFFER_SIZE);
if (data == NULL)
- errx(ENOMEM, "Cannot allocate data buffer");
+ errx(EXIT_FAILURE, "Cannot allocate data buffer");
do {