Make chr_testdev_init() return 0 (success) if the virtio console was initialized properly, otherwise return -1 (failure).
Signed-off-by: Alexandru Elisei <[email protected]> --- lib/chr-testdev.h | 2 +- lib/chr-testdev.c | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/lib/chr-testdev.h b/lib/chr-testdev.h index ffd9a851aa9b..fdd0582e2da1 100644 --- a/lib/chr-testdev.h +++ b/lib/chr-testdev.h @@ -9,6 +9,6 @@ * * This work is licensed under the terms of the GNU LGPL, version 2. */ -extern void chr_testdev_init(void); +extern int chr_testdev_init(void); extern void chr_testdev_exit(int code); #endif diff --git a/lib/chr-testdev.c b/lib/chr-testdev.c index 6890f63c8b29..26e14301e3db 100644 --- a/lib/chr-testdev.c +++ b/lib/chr-testdev.c @@ -47,7 +47,7 @@ out: spin_unlock(&lock); } -void chr_testdev_init(void) +int chr_testdev_init(void) { const char *io_names[] = { "input", "output" }; struct virtqueue *vqs[2]; @@ -57,7 +57,7 @@ void chr_testdev_init(void) if (vcon == NULL) { printf("%s: %s: can't find a virtio-console\n", __func__, TESTDEV_NAME); - return; + return -1; } ret = vcon->config->find_vqs(vcon, 2, vqs, NULL, io_names); @@ -65,9 +65,11 @@ void chr_testdev_init(void) printf("%s: %s: can't init virtqueues\n", __func__, TESTDEV_NAME); vcon = NULL; - return; + return -1; } in_vq = vqs[0]; out_vq = vqs[1]; + + return 0; } -- 2.17.0 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
