diff options
Diffstat (limited to 'kernel/bpf/core.c')
| -rw-r--r-- | kernel/bpf/core.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 8b7002488251..f0c30c59b317 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -27,6 +27,7 @@ #include <linux/random.h> #include <linux/moduleloader.h> #include <asm/unaligned.h> +#include <linux/bpf.h> /* Registers */ #define BPF_R0 regs[BPF_REG_0] @@ -71,7 +72,7 @@ struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags) { gfp_t gfp_flags = GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO | gfp_extra_flags; - struct bpf_work_struct *ws; + struct bpf_prog_aux *aux; struct bpf_prog *fp; size = round_up(size, PAGE_SIZE); @@ -79,14 +80,14 @@ struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags) if (fp == NULL) return NULL; - ws = kmalloc(sizeof(*ws), GFP_KERNEL | gfp_extra_flags); - if (ws == NULL) { + aux = kzalloc(sizeof(*aux), GFP_KERNEL | gfp_extra_flags); + if (aux == NULL) { vfree(fp); return NULL; } fp->pages = size / PAGE_SIZE; - fp->work = ws; + fp->aux = aux; return fp; } @@ -110,10 +111,10 @@ struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size, memcpy(fp, fp_old, fp_old->pages * PAGE_SIZE); fp->pages = size / PAGE_SIZE; - /* We keep fp->work from fp_old around in the new + /* We keep fp->aux from fp_old around in the new * reallocated structure. */ - fp_old->work = NULL; + fp_old->aux = NULL; __bpf_prog_free(fp_old); } @@ -123,7 +124,7 @@ EXPORT_SYMBOL_GPL(bpf_prog_realloc); void __bpf_prog_free(struct bpf_prog *fp) { - kfree(fp->work); + kfree(fp->aux); vfree(fp); } EXPORT_SYMBOL_GPL(__bpf_prog_free); @@ -638,19 +639,19 @@ EXPORT_SYMBOL_GPL(bpf_prog_select_runtime); static void bpf_prog_free_deferred(struct work_struct *work) { - struct bpf_work_struct *ws; + struct bpf_prog_aux *aux; - ws = container_of(work, struct bpf_work_struct, work); - bpf_jit_free(ws->prog); + aux = container_of(work, struct bpf_prog_aux, work); + bpf_jit_free(aux->prog); } /* Free internal BPF program */ void bpf_prog_free(struct bpf_prog *fp) { - struct bpf_work_struct *ws = fp->work; + struct bpf_prog_aux *aux = fp->aux; - INIT_WORK(&ws->work, bpf_prog_free_deferred); - ws->prog = fp; - schedule_work(&ws->work); + INIT_WORK(&aux->work, bpf_prog_free_deferred); + aux->prog = fp; + schedule_work(&aux->work); } EXPORT_SYMBOL_GPL(bpf_prog_free); |