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[src/trunk]: src/sys/dev/gpio use l->l_cred since it is available.



details:   https://anonhg.NetBSD.org/src/rev/ff7df8e9580f
branches:  trunk
changeset: 986978:ff7df8e9580f
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Sep 21 14:36:34 2021 +0000

description:
use l->l_cred since it is available.

diffstat:

 sys/arch/i386/isa/cmos.c |   6 ++--
 sys/dev/gpio/gpio.c      |  61 ++++++++++++++++++++++-------------------------
 2 files changed, 32 insertions(+), 35 deletions(-)

diffs (217 lines):

diff -r ca39d80a0b34 -r ff7df8e9580f sys/arch/i386/isa/cmos.c
--- a/sys/arch/i386/isa/cmos.c  Tue Sep 21 14:30:15 2021 +0000
+++ b/sys/arch/i386/isa/cmos.c  Tue Sep 21 14:36:34 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cmos.c,v 1.12 2015/08/20 14:40:16 christos Exp $       */
+/*     $NetBSD: cmos.c,v 1.13 2021/09/21 14:36:34 christos Exp $       */
 
 /*
  * Copyright (C) 2003 JONE System Co., Inc.
@@ -59,7 +59,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cmos.c,v 1.12 2015/08/20 14:40:16 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cmos.c,v 1.13 2021/09/21 14:36:34 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -124,7 +124,7 @@
 cmos_open(dev_t dev, int flags, int ifmt, struct lwp *l)
 {
 
-       return kauth_authorize_machdep(kauth_cred_get(),
+       return kauth_authorize_machdep(l->l_cred,
            KAUTH_MACHDEP_NVRAM, NULL, NULL, NULL, NULL);
 }
 
diff -r ca39d80a0b34 -r ff7df8e9580f sys/dev/gpio/gpio.c
--- a/sys/dev/gpio/gpio.c       Tue Sep 21 14:30:15 2021 +0000
+++ b/sys/dev/gpio/gpio.c       Tue Sep 21 14:36:34 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gpio.c,v 1.67 2021/08/09 20:49:09 andvar Exp $ */
+/* $NetBSD: gpio.c,v 1.68 2021/09/21 14:38:51 christos Exp $ */
 /*     $OpenBSD: gpio.c,v 1.6 2006/01/14 12:33:49 grange Exp $ */
 
 /*
@@ -19,7 +19,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gpio.c,v 1.67 2021/08/09 20:49:09 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gpio.c,v 1.68 2021/09/21 14:38:51 christos Exp $");
 
 /*
  * General Purpose Input/Output framework.
@@ -88,7 +88,7 @@
 #ifdef COMPAT_50
 /* Old API */
 static int     gpio_ioctl_oapi(struct gpio_softc *, u_long, void *, int,
-    kauth_cred_t);
+    struct lwp *);
 #endif
 
 CFATTACH_DECL3_NEW(gpio, sizeof(struct gpio_softc),
@@ -690,7 +690,6 @@
 #endif
        device_t dv;
        cfdata_t cf;
-       kauth_cred_t cred;
        int locs[GPIOCF_NLOCS];
        int error, pin, value, flags, npins;
 
@@ -703,13 +702,11 @@
                return EBUSY;
        }
 
-       cred = kauth_cred_get();
-
        switch (cmd) {
        case GPIOINFO:
                info = data;
-               if (!kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (!kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        info->gpio_npins = sc->sc_npins;
                else {
                        for (pin = npins = 0; pin < sc->sc_npins; pin++)
@@ -729,8 +726,8 @@
                        return EINVAL;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                /* return read value */
@@ -759,8 +756,8 @@
                        return EBUSY;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                value = req->gp_value;
@@ -791,8 +788,8 @@
                        return EBUSY;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                value = (sc->sc_pins[pin].pin_state == GPIO_PIN_LOW ?
@@ -818,8 +815,8 @@
                 */
                attach = data;
 #endif
-               if (kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                /* do not try to attach if the pins are already mapped */
@@ -878,8 +875,8 @@
                mutex_exit(&sc->sc_mtx);
                return error;
        case GPIOSET:
-               if (kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                set = data;
@@ -935,8 +932,8 @@
                }
                break;
        case GPIOUNSET:
-               if (kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                set = data;
@@ -965,7 +962,7 @@
 #ifdef COMPAT_50
                /* Try the old API */
                DPRINTF(("%s: trying the old API\n", device_xname(sc->sc_dev)));
-               return gpio_ioctl_oapi(sc, cmd, data, flag, cred);
+               return gpio_ioctl_oapi(sc, cmd, data, flag, l);
 #else
                return ENOTTY;
 #endif
@@ -976,7 +973,7 @@
 #ifdef COMPAT_50
 static int
 gpio_ioctl_oapi(struct gpio_softc *sc, u_long cmd, void *data, int flag,
-    kauth_cred_t cred)
+    struct lwp *l)
 {
        gpio_chipset_tag_t gc;
        struct gpio_pin_op *op;
@@ -998,8 +995,8 @@
                        return EINVAL;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                /* return read value */
@@ -1020,8 +1017,8 @@
                        return EBUSY;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                value = op->gp_value;
@@ -1049,8 +1046,8 @@
                        return EBUSY;
 
                if (!(sc->sc_pins[pin].pin_flags & GPIO_PIN_SET) &&
-                   kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+                   kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                value = (sc->sc_pins[pin].pin_state == GPIO_PIN_LOW ?
@@ -1064,8 +1061,8 @@
        case GPIOPINCTL:
                ctl = data;
 
-               if (kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                pin = ctl->gp_pin;
@@ -1092,8 +1089,8 @@
        case GPIODETACH50:
                /* FALLTHOUGH */
        case GPIODETACH:
-               if (kauth_authorize_device(cred, KAUTH_DEVICE_GPIO_PINSET,
-                   NULL, NULL, NULL, NULL))
+               if (kauth_authorize_device(l->l_cred,
+                   KAUTH_DEVICE_GPIO_PINSET, NULL, NULL, NULL, NULL))
                        return EPERM;
 
                error = 0;



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