osmo_libusb: check return value of osmo_fd_register()
Most likely, we should not assert() here, but let's at least log
an error message in case if osmo_fd_register() fails.
Change-Id: Ia20755ec12ee9fb0eba8322551642a96e68e1570
Related: CID#206572
diff --git a/src/usb/osmo_libusb.c b/src/usb/osmo_libusb.c
index 7a13a7e..3c8a22a 100644
--- a/src/usb/osmo_libusb.c
+++ b/src/usb/osmo_libusb.c
@@ -86,6 +86,7 @@
struct osmo_fd *ofd = talloc_zero(OTC_GLOBAL, struct osmo_fd);
libusb_context *luctx = user_data;
unsigned int when = 0;
+ int rc;
if (events & POLLIN)
when |= OSMO_FD_READ;
@@ -93,7 +94,9 @@
when |= OSMO_FD_WRITE;
osmo_fd_setup(ofd, fd, when, osmo_usb_fd_cb, luctx, 0);
- osmo_fd_register(ofd);
+ rc = osmo_fd_register(ofd);
+ if (rc)
+ LOGP(DLUSB, LOGL_ERROR, "osmo_fd_register() failed with rc=%d\n", rc);
}
/* called by libusb if it wants to remove a file-descriptor */