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soundwire: stream: use consistent pattern for freeing buffers 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/soundwire/stream.c
View File

@ -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 @@ error:
if (bus->defer_msg.msg) {
kfree(bus->defer_msg.msg->buf);
kfree(bus->defer_msg.msg);
bus->defer_msg.msg = NULL;
}
}