[PATCH 5.10 195/530] crypto: qat - fix error path in adf_isr_resource_alloc()
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-05-12 15:50:36
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
[ Upstream commit 83dc1173d73f80cbce2fee4d308f51f87b2f26ae ]
The function adf_isr_resource_alloc() is not unwinding correctly in case
of error.
This patch fixes the error paths and propagate the errors to the caller.
Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <redacted>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/crypto/qat/qat_common/adf_isr.c | 29 ++++++++++++++++++-------
1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c
index 36136f7db509..da6ef007a6ae 100644
--- a/drivers/crypto/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_isr.c@@ -286,19 +286,32 @@ int adf_isr_resource_alloc(struct adf_accel_dev *accel_dev) ret = adf_isr_alloc_msix_entry_table(accel_dev); if (ret) - return ret; - if (adf_enable_msix(accel_dev)) goto err_out; - if (adf_setup_bh(accel_dev)) - goto err_out; + ret = adf_enable_msix(accel_dev); + if (ret) + goto err_free_msix_table; - if (adf_request_irqs(accel_dev)) - goto err_out; + ret = adf_setup_bh(accel_dev); + if (ret) + goto err_disable_msix; + + ret = adf_request_irqs(accel_dev); + if (ret) + goto err_cleanup_bh; return 0; + +err_cleanup_bh: + adf_cleanup_bh(accel_dev); + +err_disable_msix: + adf_disable_msix(&accel_dev->accel_pci_dev); + +err_free_msix_table: + adf_isr_free_msix_entry_table(accel_dev); + err_out: - adf_isr_resource_free(accel_dev); - return -EFAULT; + return ret; } EXPORT_SYMBOL_GPL(adf_isr_resource_alloc);
--
2.30.2