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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
This commit is contained in:
Vadim Yanitskiy 2020-02-09 04:19:04 +07:00
parent a8809f0a16
commit 775a6b0ddd
1 changed files with 4 additions and 1 deletions
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5
src/usb/osmo_libusb.c
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@ -86,6 +86,7 @@ static void osmo_usb_added_cb(int fd, short events, void *user_data)
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 @@ static void osmo_usb_added_cb(int fd, short events, void *user_data)
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 */