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head/sys/fs/devfs/devfs_devs.c
| Show All 22 Lines | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| * SUCH DAMAGE. | * SUCH DAMAGE. | ||||
| * | * | ||||
| * From: FreeBSD: src/sys/miscfs/kernfs/kernfs_vfsops.c 1.36 | * From: FreeBSD: src/sys/miscfs/kernfs/kernfs_vfsops.c 1.36 | ||||
| * | * | ||||
| * $FreeBSD$ | * $FreeBSD$ | ||||
| */ | */ | ||||
| #include "opt_compat.h" | |||||
| #include <sys/param.h> | #include <sys/param.h> | ||||
| #include <sys/systm.h> | #include <sys/systm.h> | ||||
| #include <sys/conf.h> | #include <sys/conf.h> | ||||
| #include <sys/dirent.h> | #include <sys/dirent.h> | ||||
| #include <sys/kernel.h> | #include <sys/kernel.h> | ||||
| #include <sys/limits.h> | #include <sys/limits.h> | ||||
| #include <sys/lock.h> | #include <sys/lock.h> | ||||
| #include <sys/malloc.h> | #include <sys/malloc.h> | ||||
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| * Helper sysctl for devname(3). We're given a dev_t and return the | * Helper sysctl for devname(3). We're given a dev_t and return the | ||||
| * name, if any, registered by the device driver. | * name, if any, registered by the device driver. | ||||
| */ | */ | ||||
| static int | static int | ||||
| sysctl_devname(SYSCTL_HANDLER_ARGS) | sysctl_devname(SYSCTL_HANDLER_ARGS) | ||||
| { | { | ||||
| int error; | int error; | ||||
| dev_t ud; | dev_t ud; | ||||
| #ifdef COMPAT_FREEBSD11 | |||||
| uint32_t ud_compat; | |||||
| #endif | |||||
| struct cdev_priv *cdp; | struct cdev_priv *cdp; | ||||
| struct cdev *dev; | struct cdev *dev; | ||||
| #ifdef COMPAT_FREEBSD11 | |||||
| if (req->newlen == sizeof(ud_compat)) { | |||||
| error = SYSCTL_IN(req, &ud_compat, sizeof(ud_compat)); | |||||
| if (error == 0) | |||||
| ud = ud_compat == (uint32_t)NODEV ? NODEV : ud_compat; | |||||
| } else | |||||
| #endif | |||||
| error = SYSCTL_IN(req, &ud, sizeof (ud)); | error = SYSCTL_IN(req, &ud, sizeof (ud)); | ||||
| if (error) | if (error) | ||||
| return (error); | return (error); | ||||
| if (ud == NODEV) | if (ud == NODEV) | ||||
| return (EINVAL); | return (EINVAL); | ||||
| dev = NULL; | dev = NULL; | ||||
| dev_lock(); | dev_lock(); | ||||
| TAILQ_FOREACH(cdp, &cdevp_list, cdp_list) | TAILQ_FOREACH(cdp, &cdevp_list, cdp_list) | ||||
| if (cdp->cdp_inode == ud) { | if (cdp->cdp_inode == ud) { | ||||
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