X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Fbackend.h;h=6f3296bc9491b2983f85ea82f2f88af2ebb6cd4c;hb=241ae9a8fb62c3ce467d244e280062c24e73eb7a;hp=aadc9c37b1d2b3f7870a2ad87f184ae736c0aafc;hpb=bfe529f90b1354246b5d8a18f49e30595c612041;p=lttng-modules.git

diff --git a/lib/ringbuffer/backend.h b/lib/ringbuffer/backend.h
index aadc9c37..6f3296bc 100644
--- a/lib/ringbuffer/backend.h
+++ b/lib/ringbuffer/backend.h
@@ -54,8 +54,8 @@ extern int __lib_ring_buffer_copy_to_user(struct lib_ring_buffer_backend *bufb,
 extern int lib_ring_buffer_read_cstr(struct lib_ring_buffer_backend *bufb,
 				     size_t offset, void *dest, size_t len);
 
-extern struct page **
-lib_ring_buffer_read_get_page(struct lib_ring_buffer_backend *bufb, size_t offset,
+extern unsigned long *
+lib_ring_buffer_read_get_pfn(struct lib_ring_buffer_backend *bufb, size_t offset,
 			      void ***virt);
 
 /*
@@ -209,7 +209,7 @@ size_t lib_ring_buffer_do_strcpy_from_user_inatomic(const struct lib_ring_buffer
 		int ret;
 		char c;
 
-		ret = __get_user(c, &src[count]);
+		ret = __copy_from_user_inatomic(&c, src + count, 1);
 		if (ret || !c)
 			break;
 		lib_ring_buffer_do_copy(config, &dest[count], &c, 1);