crypto: qat - prevent underflow in rp2srv_store()

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[ Upstream commit e53c741303 ]

The "ring" variable has an upper bounds check but nothing checks for
negatives.  This code uses kstrtouint() already and it was obviously
intended to be declared as unsigned int.  Make it so.

Fixes: dbc8876dd8 ("crypto: qat - add rp2svc sysfs attribute")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Dan Carpenter 2023-10-31 11:58:32 +03:00 • committed by Greg Kroah-Hartman

parent 95ad8b6879

commit c71d330e1d

1 changed files with 2 additions and 1 deletions

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drivers/crypto/intel/qat/qat_common/adf_sysfs.c

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