diff options
Diffstat (limited to 'sys/geom/geom_dev.c')
| -rw-r--r-- | sys/geom/geom_dev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index 0d34ef5..789de4d 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -124,6 +124,7 @@ g_dev_fini(struct g_class *mp) { freeenv(dumpdev); + dumpdev = NULL; } static int @@ -152,10 +153,16 @@ g_dev_setdumpdev(struct cdev *dev, struct thread *td) static void init_dumpdev(struct cdev *dev) { + const char *devprefix = "/dev/", *devname; + size_t len; if (dumpdev == NULL) return; - if (strcmp(devtoname(dev), dumpdev) != 0) + len = strlen(devprefix); + devname = devtoname(dev); + if (strcmp(devname, dumpdev) != 0 && + (strncmp(dumpdev, devprefix, len) != 0 || + strcmp(devname, dumpdev + len) != 0)) return; if (g_dev_setdumpdev(dev, curthread) == 0) { freeenv(dumpdev); |
