PnP: move pnpacpi/pnpbios_init to after PCI init

[pandora-kernel.git] / kernel / marker.c

diff --git a/kernel/marker.c b/kernel/marker.c
index 971da53..7d1faec 100644 (file)
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -125,6 +125,11 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...)
        } else {
                struct marker_probe_closure *multi;
                int i;
+               /*
+                * Read mdata->ptype before mdata->multi.
+                */
+               smp_rmb();
+               multi = mdata->multi;
                /*
                 * multi points to an array, therefore accessing the array
                 * depends on reading multi. However, even in this case,
@@ -133,7 +138,6 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...)
                 * in the fast path, so put the explicit barrier here.
                 */
                smp_read_barrier_depends();
-               multi = mdata->multi;
                for (i = 0; multi[i].func; i++) {
                        va_start(args, call_private);
                        multi[i].func(multi[i].probe_private, call_private,
@@ -174,6 +178,11 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
        } else {
                struct marker_probe_closure *multi;
                int i;
+               /*
+                * Read mdata->ptype before mdata->multi.
+                */
+               smp_rmb();
+               multi = mdata->multi;
                /*
                 * multi points to an array, therefore accessing the array
                 * depends on reading multi. However, even in this case,
@@ -182,7 +191,6 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
                 * in the fast path, so put the explicit barrier here.
                 */
                smp_read_barrier_depends();
-               multi = mdata->multi;
                for (i = 0; multi[i].func; i++)
                        multi[i].func(multi[i].probe_private, call_private,
                                mdata->format, &args);