diff options
Diffstat (limited to 'sys/kern/subr_rman.c')
-rw-r--r-- | sys/kern/subr_rman.c | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c index 8730a5b..0e53499 100644 --- a/sys/kern/subr_rman.c +++ b/sys/kern/subr_rman.c @@ -835,6 +835,7 @@ sysctl_rman(SYSCTL_HANDLER_ARGS) int rman_idx, res_idx; struct rman *rm; struct resource_i *res; + struct resource_i *sres; struct u_rman urm; struct u_resource ures; int error; @@ -881,35 +882,44 @@ sysctl_rman(SYSCTL_HANDLER_ARGS) */ mtx_lock(rm->rm_mtx); TAILQ_FOREACH(res, &rm->rm_list, r_link) { - if (res_idx-- == 0) { - bzero(&ures, sizeof(ures)); - ures.r_handle = (uintptr_t)res; - ures.r_parent = (uintptr_t)res->r_rm; - ures.r_device = (uintptr_t)res->r_dev; - if (res->r_dev != NULL) { - if (device_get_name(res->r_dev) != NULL) { - snprintf(ures.r_devname, RM_TEXTLEN, - "%s%d", - device_get_name(res->r_dev), - device_get_unit(res->r_dev)); - } else { - strlcpy(ures.r_devname, "nomatch", - RM_TEXTLEN); + if (res->r_sharehead != NULL) { + LIST_FOREACH(sres, res->r_sharehead, r_sharelink) + if (res_idx-- == 0) { + res = sres; + goto found; } - } else { - ures.r_devname[0] = '\0'; - } - ures.r_start = res->r_start; - ures.r_size = res->r_end - res->r_start + 1; - ures.r_flags = res->r_flags; - - mtx_unlock(rm->rm_mtx); - error = SYSCTL_OUT(req, &ures, sizeof(ures)); - return (error); } + else if (res_idx-- == 0) + goto found; } mtx_unlock(rm->rm_mtx); return (ENOENT); + +found: + bzero(&ures, sizeof(ures)); + ures.r_handle = (uintptr_t)res; + ures.r_parent = (uintptr_t)res->r_rm; + ures.r_device = (uintptr_t)res->r_dev; + if (res->r_dev != NULL) { + if (device_get_name(res->r_dev) != NULL) { + snprintf(ures.r_devname, RM_TEXTLEN, + "%s%d", + device_get_name(res->r_dev), + device_get_unit(res->r_dev)); + } else { + strlcpy(ures.r_devname, "nomatch", + RM_TEXTLEN); + } + } else { + ures.r_devname[0] = '\0'; + } + ures.r_start = res->r_start; + ures.r_size = res->r_end - res->r_start + 1; + ures.r_flags = res->r_flags; + + mtx_unlock(rm->rm_mtx); + error = SYSCTL_OUT(req, &ures, sizeof(ures)); + return (error); } SYSCTL_NODE(_hw_bus, OID_AUTO, rman, CTLFLAG_RD, sysctl_rman, |