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But dthe_get_dev uses the bh variant. Change spin_(un)lock_bh to spin_(un)lock to avoid potential deadlock when a softIRQ process tries to acquire the already held lock. Fixes: 52f641bc63a46 ("crypto: ti - Add driver for DTHE V2 AES Engine (ECB, CBC)") Signed-off-by: T Pratham --- drivers/crypto/ti/dthev2-common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/ti/dthev2-common.c b/drivers/crypto/ti/dthev2-common.c index cc02449382673..4c6b72ba104ec 100644 --- a/drivers/crypto/ti/dthev2-common.c +++ b/drivers/crypto/ti/dthev2-common.c @@ -39,11 +39,11 @@ struct dthe_data *dthe_get_dev(struct dthe_tfm_ctx *ctx) if (ctx->dev_data) return ctx->dev_data; - spin_lock_bh(&dthe_dev_list.lock); + spin_lock(&dthe_dev_list.lock); dev_data = list_first_entry_or_null(&dthe_dev_list.dev_list, struct dthe_data, list); if (dev_data) list_move_tail(&dev_data->list, &dthe_dev_list.dev_list); - spin_unlock_bh(&dthe_dev_list.lock); + spin_unlock(&dthe_dev_list.lock); return dev_data; } -- 2.34.1