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authorMax Reitz <mreitz@redhat.com>2013-09-05 14:45:29 +0200
committerKevin Wolf <kwolf@redhat.com>2013-09-12 10:12:48 +0200
commit34b5d2c68eb4082c288e70fb99c61af8f7b96fde (patch)
tree7c4c1e4e248a8e044dd891b0e54de1fcc03d7434 /qemu-nbd.c
parentd5124c00d80b4d948509f2c7f6b54228d9981f75 (diff)
block: Error parameter for open functions
Add an Error ** parameter to bdrv_open, bdrv_file_open and associated functions to allow more specific error messages. Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'qemu-nbd.c')
-rw-r--r--qemu-nbd.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c
index f044546c28..c26c98ef1d 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -355,6 +355,7 @@ int main(int argc, char **argv)
#endif
pthread_t client_thread;
const char *fmt = NULL;
+ Error *local_err = NULL;
/* The client thread uses SIGTERM to interrupt the server. A signal
* handler ensures that "qemu-nbd -v -c" exits with a nice status code.
@@ -573,10 +574,11 @@ int main(int argc, char **argv)
bs = bdrv_new("hda");
srcpath = argv[optind];
- ret = bdrv_open(bs, srcpath, NULL, flags, drv);
+ ret = bdrv_open(bs, srcpath, NULL, flags, drv, &local_err);
if (ret < 0) {
errno = -ret;
- err(EXIT_FAILURE, "Failed to bdrv_open '%s'", argv[optind]);
+ err(EXIT_FAILURE, "Failed to bdrv_open '%s': %s", argv[optind],
+ error_get_pretty(local_err));
}
fd_size = bdrv_getlength(bs);