nfs: Fix polling for packets

It can happen that the first packet we receive is not the desired one.
In this case we have to poll for further packets. set nfs_state back to
STATE_START before polling for more packets, otherwise we check the same
packet again and again.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/nfs.c b/fs/nfs.c
index 1bfd36fcb6..b070ca79d5 100644
--- a/fs/nfs.c
+++ b/fs/nfs.c
@@ -450,14 +450,17 @@ again:
 
 	nfs_timer_start = get_time_ns();
 
-	nfs_state = STATE_START;
+	while (1) {
+		nfs_state = STATE_START;
 
-	while (nfs_state != STATE_DONE) {
 		if (ctrlc())
 			return ERR_PTR(-EINTR);
 
 		net_poll();
 
+		if (nfs_state != STATE_DONE)
+			continue;
+
 		if (is_timeout(nfs_timer_start, NFS_TIMEOUT)) {
 			tries++;
 			if (tries == NFS_MAX_RESEND)