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crypto: hisilicon/qm - fix missing put dfx access
[ Upstream commit5afc904f44
] In function qm_cmd_write(), if function returns from branch 'atomic_read(&qm->status.flags) == QM_STOP', the got dfx access is forgotten to put. Fixes:607c191b37
("crypto: hisilicon - support runtime PM for accelerator device") Signed-off-by: Weili Qian <qianweili@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 2 deletions
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@ -2245,8 +2245,10 @@ static ssize_t qm_cmd_write(struct file *filp, const char __user *buffer,
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return ret;
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/* Judge if the instance is being reset. */
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if (unlikely(atomic_read(&qm->status.flags) == QM_STOP))
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return 0;
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if (unlikely(atomic_read(&qm->status.flags) == QM_STOP)) {
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ret = 0;
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goto put_dfx_access;
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}
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if (count > QM_DBG_WRITE_LEN) {
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ret = -ENOSPC;
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