On Thu, Jan 04, 2018 at 08:08:53AM +0800, Xiongwei Song wrote:
> register_shrinker call is made in ashmem_init, it may return error code,
> so we need to check it.
>
> Signed-off-by: Xiongwei Song <sxwjean@xxxxxxxxx>
> ---
> drivers/staging/android/ashmem.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
> index 4e8947923904..0b23c3e25cd4 100644
> --- a/drivers/staging/android/ashmem.c
> +++ b/drivers/staging/android/ashmem.c
> @@ -854,12 +854,18 @@ static int __init ashmem_init(void)
> goto out_free2;
> }
>
> - register_shrinker(&ashmem_shrinker);
> + ret = register_shrinker(&ashmem_shrinker);
> + if (unlikely(ret)) {
Don't add the unlikely() here. It hurts readability and this is not a
fast path. I know the other callers all have it... :/
regards,
dan carpenter
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