X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fbackend.h;h=46dcf1ccd9053443c4d00a743f5e1d19b2aa9ddb;hb=6423140ffcb1c5b005199bb2fa34621361ad538d;hp=bfadd94b99fbe40760e64a75a64dfb6b5fd1361d;hpb=53772db24facd84f1f3ddcf21a1ef5f162608721;p=lttng-modules.git

diff --git a/lib/ringbuffer/backend.h b/lib/ringbuffer/backend.h
index bfadd94b..46dcf1cc 100644
--- a/lib/ringbuffer/backend.h
+++ b/lib/ringbuffer/backend.h
@@ -22,6 +22,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <wrapper/uaccess.h>
+#include <probes/lttng-probe-user.h>
 
 /* Internal helpers */
 #include <wrapper/ringbuffer/backend_internal.h>
@@ -440,14 +441,7 @@ unsigned long lib_ring_buffer_copy_from_user_check_nofault(void *dest,
 						const void __user *src,
 						unsigned long len)
 {
-	unsigned long ret;
-
-	if (!lttng_access_ok(VERIFY_READ, src, len))
-		return 1;
-	pagefault_disable();
-	ret = __copy_from_user_inatomic(dest, src, len);
-	pagefault_enable();
-	return ret;
+	return lttng_copy_from_user_check_nofault(dest, src, len);
 }
 
 #endif /* _LIB_RING_BUFFER_BACKEND_H */