X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_backend.c;h=5417648af78c446637623dcf5d0e4a9e446d6d42;hb=6115dd20b489d0c9bdec7c7d5299770605697ca8;hp=3cc22d77b2d9ad5c2ed428fed783b9055a5f97d3;hpb=50a48adf2e40f4af60a75e2f100ce118ba434776;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_backend.c b/lib/ringbuffer/ring_buffer_backend.c
index 3cc22d77..5417648a 100644
--- a/lib/ringbuffer/ring_buffer_backend.c
+++ b/lib/ringbuffer/ring_buffer_backend.c
@@ -692,8 +692,7 @@ void _lib_ring_buffer_copy_from_user_inatomic(struct lib_ring_buffer_backend *bu
 							+ (offset & ~PAGE_MASK),
 							src, pagecpy) != 0;
 		if (ret > 0) {
-			offset += (pagecpy - ret);
-			len -= (pagecpy - ret);
+			/* Copy failed. */
 			_lib_ring_buffer_memset(bufb, offset, 0, len, 0);
 			break; /* stop copy */
 		}