diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_app.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_app.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.c b/drivers/net/ethernet/netronome/nfp/nfp_app.c index 955a9f44d244..6aedef0ad433 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_app.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_app.c @@ -32,6 +32,8 @@ */ #include <linux/bug.h> +#include <linux/lockdep.h> +#include <linux/rcupdate.h> #include <linux/skbuff.h> #include <linux/slab.h> @@ -99,13 +101,19 @@ nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority) } struct nfp_reprs * +nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type) +{ + return rcu_dereference_protected(app->reprs[type], + lockdep_is_held(&app->pf->lock)); +} + +struct nfp_reprs * nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type, struct nfp_reprs *reprs) { struct nfp_reprs *old; - old = rcu_dereference_protected(app->reprs[type], - lockdep_is_held(&app->pf->lock)); + old = nfp_reprs_get_locked(app, type); rcu_assign_pointer(app->reprs[type], reprs); return old; @@ -116,7 +124,7 @@ struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id) struct nfp_app *app; if (id >= ARRAY_SIZE(apps) || !apps[id]) { - nfp_err(pf->cpp, "failed to find app with ID 0x%02hhx\n", id); + nfp_err(pf->cpp, "unknown FW app ID 0x%02hhx, driver too old or support for FW not built in\n", id); return ERR_PTR(-EINVAL); } |