X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Flib%2Fmsgpack%2Fmsgpack.c;fp=src%2Flib%2Fmsgpack%2Fmsgpack.c;h=54d5692679cd926fec304dc4bff0821142e6197e;hb=95ab0b458d258f604de7a1ef387e4be0d1c7ceb5;hp=b9bac85f64ff8766ef6ec032bf9cee420ff8229d;hpb=736f2dd654af78b4bce81cf8ba9579370a162a38;p=lttng-modules.git

diff --git a/src/lib/msgpack/msgpack.c b/src/lib/msgpack/msgpack.c
index b9bac85f..54d56926 100644
--- a/src/lib/msgpack/msgpack.c
+++ b/src/lib/msgpack/msgpack.c
@@ -130,10 +130,7 @@ static inline int lttng_msgpack_append_user_buffer(
 	}
 
 	if (lttng_copy_from_user_check_nofault(writer->write_pos, ubuf, length)) {
-		/*
-		 * After a successful strlen user, a page fault on copy is handled by
-		 * considering the string as empty, returning a success.
-		 */
+		ret = -1;
 		goto end;
 	}
 	writer->write_pos += length;
@@ -444,12 +441,6 @@ int lttng_msgpack_write_user_str(struct lttng_msgpack_writer *writer,
 		goto end;
 	}
 
-	/*
-	 * Handle empty string and strlen user page fault as empty string.
-	 */
-	if (length == 1)
-		return lttng_msgpack_write_str(writer, "");
-
 	if (length <= MSGPACK_FIXSTR_MAX_LENGTH)
 		ret = lttng_msgpack_encode_user_fixstr(writer, ustr, length);
 	else