debuggerd_handler: fix prctl return value check.
Fixed this when I tested on internal, but failed to copy the fix over
when submitting to AOSP.
Bug: http://b/35070339
Test: `adb bugreport` on angler
Change-Id: Ib84d212e5f890958cd21f5c018fbc6f368138d1e
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index 156534e..38a7be3 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -218,7 +218,7 @@
close(pipefds[1]);
// Set all of the ambient capability bits we can, so that crash_dump can ptrace us.
- for (unsigned long i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0); ++i) {
+ for (unsigned long i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) != -1; ++i) {
prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, i, 0, 0);
}