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[PATCH v4 1/4] transport-helper: use xread instead of read




From: "Randall S. Becker" <rsbecker@xxxxxxxxxxxxx>

This fix was needed on HPE NonStop NSE and NSX where SSIZE_MAX is less than
BUFFERSIZE resulting in EINVAL. The call to read in transport-helper.c
was the only place outside of wrapper.c where it is used instead of xread.

Signed-off-by: Randall S. Becker <rsbecker@xxxxxxxxxxxxx>
---
 transport-helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/transport-helper.c b/transport-helper.c
index bf225c698f..a290695a12 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -1225,7 +1225,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
 		return 0;	/* No space for more. */
 
 	transfer_debug("%s is readable", t->src_name);
-	bytes = read(t->src, t->buf + t->bufuse, BUFFERSIZE - t->bufuse);
+	bytes = xread(t->src, t->buf + t->bufuse, BUFFERSIZE - t->bufuse);
- 	if (bytes < 0 && errno != EWOULDBLOCK && errno != EAGAIN &&
- 		errno != EINTR) {
+ 	if (bytes < 0 && errno != EINTR) {
 		error_errno(_("read(%s) failed"), t->src_name);
-- 
2.17.0.10.gb132f7033