[PATCH net 1/1] net: ipa: don't be a hog in gsi_channel_poll()

From: Alex Elder
Date: Fri May 15 2020 - 15:52:13 EST


The iteration count value used in gsi_channel_poll() is intended to
limit poll iterations to the budget supplied as an argument. But
it's never updated.

Fix this bug by incrementing the count each time through the loop.

Reported-by: Sharath Chandra Vurukala <sharathv@xxxxxxxxxxxxxx>
Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/gsi.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index b671bea0aa7c..8d9ca1c335e8 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -1392,6 +1392,7 @@ static int gsi_channel_poll(struct napi_struct *napi, int budget)
while (count < budget) {
struct gsi_trans *trans;

+ count++;
trans = gsi_channel_poll_one(channel);
if (!trans)
break;
--
2.20.1