Author: trasz
Date: Tue Apr 2 09:38:04 2013
New Revision: 249008
URL: http://svnweb.freebsd.org/changeset/base/249008
Log:
Fix panic in the error path caused by recursive acquisition of XPT topology
lock.
Reviewed by: ken
Modified:
head/sys/cam/cam_periph.c
Modified: head/sys/cam/cam_periph.c
==============================================================================
--- head/sys/cam/cam_periph.c Tue Apr 2 09:33:22 2013 (r249007)
+++ head/sys/cam/cam_periph.c Tue Apr 2 09:38:04 2013 (r249008)
@@ -218,9 +218,9 @@ cam_periph_alloc(periph_ctor_t *periph_c
}
if (*p_drv == NULL) {
printf("cam_periph_alloc: invalid periph name '%s'\n", name);
+ xpt_unlock_buses();
xpt_free_path(periph->path);
free(periph, M_CAMPERIPH);
- xpt_unlock_buses();
return (CAM_REQ_INVALID);
}
periph->unit_number = camperiphunit(*p_drv, path_id, target_id, lun_id);
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