Wentao Liang 8d13f7a845
hwrng: jh7110 - fix refcount leak in starfive_trng_read() ...
The starfive_trng_read() function acquires a runtime PM reference
via pm_runtime_get_sync() but fails to release it on two error
paths. If starfive_trng_wait_idle() or starfive_trng_cmd() returns
an error, the function exits without calling
pm_runtime_put_sync_autosuspend(), leaving the runtime PM usage
counter permanently elevated and preventing the device from entering
runtime suspend.
Refactor the function to use a unified error path that calls
pm_runtime_put_sync_autosuspend() before returning.
Cc: stable@vger.kernel.org
Fixes: c388f458bcvulab@iscas.ac.cn >
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au >
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Wentao Liang
8d13f7a845