diff options
| author | Maxime Méré <maxime.mere@foss.st.com> | 2024-05-28 16:05:48 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-06-07 19:46:39 +0800 |
| commit | 56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce (patch) | |
| tree | 8ca58826df59df2d654e5bf8eac8e99517010b98 | |
| parent | 4027725259cc55138672f21373ac04f14aab2836 (diff) | |
crypto: stm32/cryp - call finalize with bh disabled
The finalize operation in interrupt mode produce a produces a spinlock
recursion warning. The reason is the fact that BH must be disabled
during this process.
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/stm32/stm32-cryp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 445276b848ed..937f6dab8955 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -11,6 +11,7 @@ #include <crypto/internal/des.h> #include <crypto/internal/skcipher.h> #include <crypto/scatterwalk.h> +#include <linux/bottom_half.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/dma-mapping.h> @@ -2203,8 +2204,11 @@ static irqreturn_t stm32_cryp_irq_thread(int irq, void *arg) it_mask &= ~IMSCR_OUT; stm32_cryp_write(cryp, cryp->caps->imsc, it_mask); - if (!cryp->payload_in && !cryp->header_in && !cryp->payload_out) + if (!cryp->payload_in && !cryp->header_in && !cryp->payload_out) { + local_bh_disable(); stm32_cryp_finish_req(cryp, 0); + local_bh_enable(); + } return IRQ_HANDLED; } |