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crypto: stm32/cryp - call finalize with bh disabled

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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>
This commit is contained in:
Maxime Méré 2024-05-28 16:05:48 +02:00 committed by Herbert Xu
parent 4027725259
commit 56ddb9aa3b
1 changed files with 5 additions and 1 deletions
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6
drivers/crypto/stm32/stm32-cryp.c
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@ -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;
}