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[Qemu-devel] [PATCH 4/5] vhost-user-input: check ioctl(EVIOCGNAME) retur
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From: |
Marc-André Lureau |
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Subject: |
[Qemu-devel] [PATCH 4/5] vhost-user-input: check ioctl(EVIOCGNAME) return value |
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Date: |
Wed, 5 Jun 2019 16:58:28 +0200 |
This should fix coverity CID 1401704.
Signed-off-by: Marc-André Lureau <address@hidden>
---
contrib/vhost-user-input/main.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/contrib/vhost-user-input/main.c b/contrib/vhost-user-input/main.c
index 54f882602a..8b4e7d2536 100644
--- a/contrib/vhost-user-input/main.c
+++ b/contrib/vhost-user-input/main.c
@@ -342,7 +342,11 @@ main(int argc, char *argv[])
vi.config = g_array_new(false, false, sizeof(virtio_input_config));
memset(&id, 0, sizeof(id));
- ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1), id.u.string);
+ if (ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1),
+ id.u.string) < 0) {
+ g_printerr("Failed to get evdev name: %s\n", g_strerror(errno));
+ exit(EXIT_FAILURE);
+ }
id.select = VIRTIO_INPUT_CFG_ID_NAME;
id.size = strlen(id.u.string);
g_array_append_val(vi.config, id);
--
2.22.0.rc2.384.g1a9a72ea1d