diff options
Diffstat (limited to 'sys/cam/cam_compat.c')
| -rw-r--r-- | sys/cam/cam_compat.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/sys/cam/cam_compat.c b/sys/cam/cam_compat.c index c377763fc7c5..aed3916267d5 100644 --- a/sys/cam/cam_compat.c +++ b/sys/cam/cam_compat.c @@ -380,11 +380,13 @@ cam_compat_translate_dev_match_0x18(union ccb *ccb) struct dev_match_result *dm; struct dev_match_result_0x18 *dm18; struct cam_periph_map_info mapinfo; - int i; + int error, i; /* Remap the CCB into kernel address space */ bzero(&mapinfo, sizeof(mapinfo)); - cam_periph_mapmem(ccb, &mapinfo, maxphys); + error = cam_periph_mapmem(ccb, &mapinfo, maxphys); + if (error != 0) + return (error); dm = ccb->cdm.matches; /* Translate in-place: old fields are smaller */ @@ -432,21 +434,22 @@ cam_compat_translate_dev_match_0x18(union ccb *ccb) } } - cam_periph_unmapmem(ccb, &mapinfo); - - return (0); + return (cam_periph_unmapmem(ccb, &mapinfo)); } static int cam_compat_handle_0x19(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td, d_ioctl_t *cbfnp) { + struct cam_periph_map_info mapinfo; union ccb *ccb = (union ccb *)addr; - struct cam_periph_map_info mapinfo; + int error; if (cmd == CAMIOCOMMAND && ccb->ccb_h.func_code == XPT_DEV_MATCH) { bzero(&mapinfo, sizeof(mapinfo)); - cam_periph_mapmem(ccb, &mapinfo, maxphys); + error = cam_periph_mapmem(ccb, &mapinfo, maxphys); + if (error != 0) + return (error); for (int i = 0; i < ccb->cdm.num_patterns; i++) { struct dev_match_pattern *p = &ccb->cdm.patterns[i]; @@ -460,7 +463,9 @@ cam_compat_handle_0x19(struct cdev *dev, u_long cmd, caddr_t addr, int flag, p->pattern.periph_pattern.flags == 0x01f) p->pattern.periph_pattern.flags = PERIPH_MATCH_ANY; } - cam_periph_unmapmem(ccb, &mapinfo); + error = cam_periph_unmapmem(ccb, &mapinfo); + if (error != 0) + return (error); } return ((cbfnp)(dev, cmd, addr, flag, td)); } |