X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..a39ff7e25e19b3a8c3020042a3872ca9ec9659f1:/iokit/Kernel/IOStatistics.cpp

diff --git a/iokit/Kernel/IOStatistics.cpp b/iokit/Kernel/IOStatistics.cpp
index 6e72eb495..f3771602a 100644
--- a/iokit/Kernel/IOStatistics.cpp
+++ b/iokit/Kernel/IOStatistics.cpp
@@ -27,6 +27,7 @@
  */
 
 #include <sys/sysctl.h>
+#include <kern/backtrace.h>
 #include <kern/host.h>
 #include <kern/zalloc.h>
 
@@ -814,8 +815,11 @@ int IOStatistics::getUserClientStatistics(sysctl_req *req)
 		goto exit;
 	}
 
-	SYSCTL_IN(req, &requestedLoadTag, sizeof(requestedLoadTag));
-	
+	error = SYSCTL_IN(req, &requestedLoadTag, sizeof(requestedLoadTag));
+	if (error) {
+		goto exit;
+	}
+
 	LOG(2, "IOStatistics::getUserClientStatistics - requesting kext w/load tag: %d\n", requestedLoadTag);
 
 	buffer = (char*)kalloc(calculatedSize);
@@ -1221,7 +1225,7 @@ KextNode *IOStatistics::getKextNodeFromBacktrace(boolean_t write) {
 	 * overhead. OSBacktrace does many safety checks that
 	 * are not needed in this situation.
 	 */
-	btCount = fastbacktrace((uintptr_t*)bt, btCount);
+	btCount = backtrace((uintptr_t*)bt, btCount);
 
 	if (write) {
 		IORWLockWrite(lock);