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| author |   Marcelo Diop-Gonzalez <marcgonzalez@google.com> | 2020-02-12 13:43:33 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-12 13:40:44 -0800 |
| commit | a2203cfe0d847ea3a84c75ccfdd600e92d9c5e62 (patch) | |
| tree | 21a27064d64039d3f2796ec2316e55421b623316 /drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h | |
| parent | staging: vc04_services: use kref + RCU to reference count services (diff) | |
| download | linux-dev-a2203cfe0d847ea3a84c75ccfdd600e92d9c5e62.tar.xz linux-dev-a2203cfe0d847ea3a84c75ccfdd600e92d9c5e62.zip | |
staging: vc04_services: don't increment service refcount when it's not needed
There are a few places where a service's reference count is incremented,
something quick is done, and the refcount is dropped. This can be made
a little simpler/faster by not grabbing a reference in these cases.
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/ac6186ac888f1acf489b5b504efcba8b0d6a8b25.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 30e4965c7666..cedd8e721aae 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -572,7 +572,13 @@ find_closed_service_for_instance(struct vchiq_instance *instance, unsigned int handle); extern struct vchiq_service * -next_service_by_instance(struct vchiq_state *state, struct vchiq_instance *instance, +__next_service_by_instance(struct vchiq_state *state, + struct vchiq_instance *instance, + int *pidx); + +extern struct vchiq_service * +next_service_by_instance(struct vchiq_state *state, + struct vchiq_instance *instance, int *pidx); extern void |