On 03/11/2016 10:40 AM, Gary R Hook wrote:
> This patch fixes a coccinelle warning about reusing a flags
> variable in nested lock acquisition.
>
> Signed-off-by: Gary R Hook <gary.h...@amd.com>
Acked-by: Tom Lendacky <thomas.lenda...@amd.com>
> ---
> drivers/crypto/ccp/ccp-dev.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c
> index 336e5b7..9c7bce8 100644
> --- a/drivers/crypto/ccp/ccp-dev.c
> +++ b/drivers/crypto/ccp/ccp-dev.c
> @@ -120,7 +120,7 @@ void ccp_del_device(struct ccp_device *ccp)
>
> static struct ccp_device *ccp_get_device(void)
> {
> - unsigned long flags;
> + unsigned long flags, rrflags;
> struct ccp_device *dp = NULL;
>
> /* We round-robin through the unit list.
> @@ -128,14 +128,14 @@ static struct ccp_device *ccp_get_device(void)
> */
> read_lock_irqsave(&ccp_unit_lock, flags);
> if (!list_empty(&ccp_units)) {
> - write_lock_irqsave(&ccp_rr_lock, flags);
> + write_lock_irqsave(&ccp_rr_lock, rrflags);
> dp = ccp_rr;
> if (list_is_last(&ccp_rr->entry, &ccp_units))
> ccp_rr = list_first_entry(&ccp_units, struct ccp_device,
> entry);
> else
> ccp_rr = list_next_entry(ccp_rr, entry);
> - write_unlock_irqrestore(&ccp_rr_lock, flags);
> + write_unlock_irqrestore(&ccp_rr_lock, rrflags);
> }
> read_unlock_irqrestore(&ccp_unit_lock, flags);
>
>
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