[PATCH] crypto: sun4i-ss: remove debugfs directory on teardown

[Pengpeng Hou]

sun4i_ss_probe() creates a debugfs directory and a stats file with struct
sun4i_ss_ctx as private data. The remove path unregisters the crypto
algorithms and tears down runtime PM but leaves the debugfs entries
published.

Remove the debugfs subtree before tearing down the driver state used by
the stats show callback.

Signed-off-by: Pengpeng Hou <pengpeng at iscas.ac.cn>
---
 drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
index 58a76e2ba64e..bcaddf1b83ca 100644
--- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
+++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c
@@ -512,6 +512,8 @@ static void sun4i_ss_remove(struct platform_device *pdev)
 	int i;
 	struct sun4i_ss_ctx *ss = platform_get_drvdata(pdev);
 
+	debugfs_remove_recursive(ss->dbgfs_dir);
+
 	for (i = 0; i < ARRAY_SIZE(ss_algs); i++) {
 		switch (ss_algs[i].type) {
 		case CRYPTO_ALG_TYPE_SKCIPHER:
-- 
2.50.1 (Apple Git-155)