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Subject[PATCH AUTOSEL for 4.9 04/24] staging: greybus: loopback: Fix iteration count on async path
Date
From: Bryan O'Donoghue <pure.logic@nexus-software.ie>

[ Upstream commit 44b02da39210e6dd67e39ff1f48d30c56d384240 ]

Commit 12927835d211 ("greybus: loopback: Add asynchronous bi-directional
support") does what it says on the tin - namely, adds support for
asynchronous bi-directional loopback operations.

What it neglects to do though is increment the per-connection
gb->iteration_count on an asynchronous operation error. This patch fixes
that omission.

Fixes: 12927835d211 ("greybus: loopback: Add asynchronous bi-directional support")

Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Reported-by: Mitch Tasman <tasman@leaflabs.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: Mitch Tasman <tasman@leaflabs.com>
Cc: greybus-dev@lists.linaro.org
Cc: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
drivers/staging/greybus/loopback.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 29dc249b0c74..3c2c233c2e49 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -1034,8 +1034,10 @@ static int gb_loopback_fn(void *data)
error = gb_loopback_async_sink(gb, size);
}

- if (error)
+ if (error) {
gb->error++;
+ gb->iteration_count++;
+ }
} else {
/* We are effectively single threaded here */
if (type == GB_LOOPBACK_TYPE_PING)
--
2.11.0
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