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soundwire: stream: use consistent pattern for freeing buffers

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The code should free the message buffer used for data, the message
structure used for control and assign the latter to NULL. The last
part is missing for multi-link cases, and the order is inconsistent
for single-link cases.

Link: https://github.com/thesofproject/linux/issues/4056
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230119073211.85979-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart
2023-01-19 15:32:08 +08:00
committed by Vinod Koul
parent 3bd3bc2ada
commit 5ec0c8721c
1 changed files with 3 additions and 1 deletions
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4
drivers/soundwire/stream.c
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@@ -723,8 +723,8 @@ static int sdw_bank_switch(struct sdw_bus *bus, int m_rt_count)
}
if (!multi_link) {
kfree(wr_msg);
kfree(wbuf);
kfree(wr_msg);
bus->defer_msg.msg = NULL;
bus->params.curr_bank = !bus->params.curr_bank;
bus->params.next_bank = !bus->params.next_bank;
@@ -769,6 +769,7 @@ static int sdw_ml_sync_bank_switch(struct sdw_bus *bus)
if (bus->defer_msg.msg) {
kfree(bus->defer_msg.msg->buf);
kfree(bus->defer_msg.msg);
bus->defer_msg.msg = NULL;
}
return 0;
@@ -867,6 +868,7 @@ static int do_bank_switch(struct sdw_stream_runtime *stream)
if (bus->defer_msg.msg) {
kfree(bus->defer_msg.msg->buf);
kfree(bus->defer_msg.msg);
bus->defer_msg.msg = NULL;
}
}