9os

commit b23d88f2814f0216037df0924418c9d05bf4d378
parent 4bb3e726c572f89550e6c74116fa924817fd5821
Author: Roberto Vargas <roberto.vargas@arm.com>
Date:   Fri, 23 Nov 2018 13:43:20 +0000

[rmc] Stop in recursive panic()

Once that a recursive panic is detected then it is better
to stop as soon as possible because something really wrong
is happening.

Change-Id: Ibe8efe698e96360b23e612302859114fee07bac0

Diffstat:
M
src/rmc.c
 | 
17
++++++++++-------

1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/src/rmc.c b/src/rmc.c
@@ -60,14 +60,17 @@ panicfmt(const char *msg, struct trapframe *fp)
 	 * check against 1 to be more robust
 	 * against memory corruptions
 	 */
-	if (bss->in_panic != 1) {
-		bss->in_panic = 1;
-		kprint("panic: %s\n", msg);
-
-		dumpregs(fp);
-		backtrace(fp);
-		dumpstack(fp);
+	if (bss->in_panic == 1) {
+		for (;;)
+			;
 	}
+
+	bss->in_panic = 1;
+	kprint("panic: %s\n", msg);
+
+	dumpregs(fp);
+	backtrace(fp);
+	dumpstack(fp);
 }
 
 void