Ensure only GIE bit is touched in splx_()

2014-06-19 15:03:48 +02:00 · 2014-06-19 15:03:48 +02:00 · 892268d74b
commit 892268d74b
parent 07b170595c
2 changed files with 2 additions and 1 deletions
--- a/cpu/msp430-common/msp430-main.c
+++ b/cpu/msp430-common/msp430-main.c
@ -170,6 +170,7 @@ splhigh_(void)
 void
 splx_(int sr)
 {
+    sr &= GIE;
    /* If GIE was set, restore it. */
    asmv("bis %0, r2" : : "r"(sr));
    asmv("nop");