diff mbox series

[6/6] crypto: omap-aes: prevent unregistering algorithms twice

Message ID 20200429144205.5291-7-t-kristo@ti.com
State New
Headers show
Series None | expand

Commit Message

Tero Kristo April 29, 2020, 2:42 p.m. UTC 
Most of the OMAP family SoCs contain two instances for AES core, which
causes the remove callbacks to be also done twice when driver is
removed. Fix the algorithm unregister callbacks to take into account the
number of algorithms still registered to avoid removing these twice.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
---
 drivers/crypto/omap-aes.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 824ddf2a66ff..b5aff20c5900 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -1269,13 +1269,17 @@  static int omap_aes_remove(struct platform_device *pdev)
 	spin_unlock(&list_lock);
 
 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
-		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) {
 			crypto_unregister_skcipher(
 					&dd->pdata->algs_info[i].algs_list[j]);
+			dd->pdata->algs_info[i].registered--;
+		}
 
-	for (i = dd->pdata->aead_algs_info->size - 1; i >= 0; i--) {
+	for (i = dd->pdata->aead_algs_info->registered - 1; i >= 0; i--) {
 		aalg = &dd->pdata->aead_algs_info->algs_list[i];
 		crypto_unregister_aead(aalg);
+		dd->pdata->aead_algs_info->registered--;
+
 	}
 
 	crypto_engine_exit(dd->engine);