[PATCH net-next 1/9] net: ipa: don't thaw channel if error starting

[Alex Elder]

If an error occurs starting a channel, don't "thaw" it.
We should assume the channel remains in a non-started state.

Update the comment in gsi_channel_stop(); calls to this function are
no longer retried.

Signed-off-by: Alex Elder <el...@linaro.org>
---
 drivers/net/ipa/gsi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index f79cf3c327c1c..4a3e125e898f6 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -885,7 +885,9 @@ int gsi_channel_start(struct gsi *gsi, u32 channel_id)
 
        mutex_unlock(&gsi->mutex);
 
-       gsi_channel_thaw(channel);
+       /* Thaw the channel if successful */
+       if (!ret)
+               gsi_channel_thaw(channel);
 
        return ret;
 }
@@ -910,7 +912,7 @@ int gsi_channel_stop(struct gsi *gsi, u32 channel_id)
 
        mutex_unlock(&gsi->mutex);
 
-       /* Thaw the channel if we need to retry (or on error) */
+       /* Re-thaw the channel if an error occurred while stopping */
        if (ret)
                gsi_channel_thaw(channel);
 
-- 
2.27.0