crypto: qat - don't release uninitialized resources
authorTong Zhang <ztong0001@gmail.com>
Fri, 19 Mar 2021 03:39:59 +0000 (23:39 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 May 2021 08:40:23 +0000 (10:40 +0200)
commit952ce02e10058f08c562b8fae8889473b82ef9e5
tree7f4bc111c9d52fc100673280e19781e84d794a21
parentee84a94c49c62bfdc89ef6884f50fd53828d8e65
crypto: qat - don't release uninitialized resources

[ Upstream commit b66accaab3791e15ac99c92f236d0d3a6d5bd64e ]

adf_vf_isr_resource_alloc() is not unwinding correctly when error
happens and it want to release uninitialized resources.
To fix this, only release initialized resources.

[    1.792845] Trying to free already-free IRQ 11
[    1.793091] WARNING: CPU: 0 PID: 182 at kernel/irq/manage.c:1821 free_irq+0x202/0x380
[    1.801340] Call Trace:
[    1.801477]  adf_vf_isr_resource_free+0x32/0xb0 [intel_qat]
[    1.801785]  adf_vf_isr_resource_alloc+0x14d/0x150 [intel_qat]
[    1.802105]  adf_dev_init+0xba/0x140 [intel_qat]

Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Fixes: dd0f368398ea ("crypto: qat - Add qat dh895xcc VF driver")
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>
drivers/crypto/qat/qat_common/adf_vf_isr.c