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LinuxKPI: USB return possible error from suspend/resume

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USB suspend/resume cannot fail so we never returned the error which
resulted in a -Wunused-but-set-variable warning.
Initialize the return variable and return a possible error possibly
triggering a printf upstream to at least have a trace of the problem.
This also fixes the warning.

Suggested by:	hselasky
Sponsored by:	The FreeBSD Foundation
Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D33107

(cherry picked from commit 943df073a3)
This commit is contained in:
Bjoern A. Zeeb 2021-11-24 21:28:46 +00:00
parent e17d7f3d86
commit 2c6ebb7834
1 changed files with 6 additions and 6 deletions
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12
sys/compat/linuxkpi/common/src/linux_usb.c
View file

@ -343,10 +343,10 @@ usb_linux_suspend(device_t dev)
struct usb_driver *udrv = usb_linux_get_usb_driver(sc);
int err;
if (udrv && udrv->suspend) {
err = 0;
if (udrv && udrv->suspend)
err = (udrv->suspend) (sc->sc_ui, 0);
}
return (0);
return (-err);
}
/*------------------------------------------------------------------------*
@ -361,10 +361,10 @@ usb_linux_resume(device_t dev)
struct usb_driver *udrv = usb_linux_get_usb_driver(sc);
int err;
if (udrv && udrv->resume) {
err = 0;
if (udrv && udrv->resume)
err = (udrv->resume) (sc->sc_ui);
}
return (0);
return (-err);
}
/*------------------------------------------------------------------------*