From 9ce6bbbb0503e58e8629ae0185e916b271237bc3 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Tue, 27 Jun 2017 00:50:19 -0700 Subject: nfp: add nfp_app cleanup callback and make flower use it Add a cleanup callback for undoing what app init callback did. Make flower allocate its private structure on init and free it from the new callback. While at it remember to set the app pointer to NULL on the error path to avoid any races while probe path unwinds. Signed-off-by: Jakub Kicinski Reviewed-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/ethernet/netronome/nfp/nfp_app.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/netronome/nfp/nfp_app.h') diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h b/drivers/net/ethernet/netronome/nfp/nfp_app.h index ae2d02753d1a..2fb503a817d2 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_app.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h @@ -66,7 +66,8 @@ extern const struct nfp_app_type app_flower; * @ctrl_has_meta: control messages have prepend of type:5/port:CTRL * * Callbacks - * @init: perform basic app checks + * @init: perform basic app checks and init + * @clean: clean app state * @extra_cap: extra capabilities string * @vnic_init: init vNICs (assign port types, etc.) * @vnic_clean: clean up app's vNIC state @@ -88,6 +89,7 @@ struct nfp_app_type { bool ctrl_has_meta; int (*init)(struct nfp_app *app); + void (*clean)(struct nfp_app *app); const char *(*extra_cap)(struct nfp_app *app, struct nfp_net *nn); @@ -144,6 +146,12 @@ static inline int nfp_app_init(struct nfp_app *app) return app->type->init(app); } +static inline void nfp_app_clean(struct nfp_app *app) +{ + if (app->type->clean) + app->type->clean(app); +} + static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn, unsigned int id) { -- cgit