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| author | Maxime Méré <maxime.mere@foss.st.com> | 2024-05-28 16:05:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-08 07:54:46 +0200 |
| commit | d93a2f86b0a998aa1f0870c85a2a60a0771ef89a (patch) | |
| tree | 3fce2dfd0201eba17e3209abd2ea66adb59cbd32 /drivers/crypto | |
| parent | 68957f511ba4514f9bbdb187d7826b56d40180ec (diff) | |
| download | linux-d93a2f86b0a998aa1f0870c85a2a60a0771ef89a.tar.gz linux-d93a2f86b0a998aa1f0870c85a2a60a0771ef89a.tar.bz2 linux-d93a2f86b0a998aa1f0870c85a2a60a0771ef89a.zip | |
crypto: stm32/cryp - call finalize with bh disabled
[ Upstream commit 56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
| -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 f095f0065428..2f1b82cf10b1 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/err.h> @@ -1665,8 +1666,11 @@ 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; } |