X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_backend.c;h=451ce23b2eb51f5eca72dcd3a01a26097b5b1986;hb=d87a9f0376535ea0ab125f2f0cfc6ce6e325c0c1;hp=f34c7ccc4ce7e6096171ba5cd55877a0e39fa908;hpb=fe40f016c667f247b8e81c318cafa173de745fdd;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_backend.c b/lib/ringbuffer/ring_buffer_backend.c
index f34c7ccc..451ce23b 100644
--- a/lib/ringbuffer/ring_buffer_backend.c
+++ b/lib/ringbuffer/ring_buffer_backend.c
@@ -693,8 +693,7 @@ 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 */
 		}