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-rw-r--r--kernel/bpf/core.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 2cf71fd39c22..334070c4b8a1 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -91,6 +91,12 @@ struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flag
vfree(fp);
return NULL;
}
+ fp->active = alloc_percpu_gfp(int, GFP_KERNEL_ACCOUNT | gfp_extra_flags);
+ if (!fp->active) {
+ vfree(fp);
+ kfree(aux);
+ return NULL;
+ }
fp->pages = size / PAGE_SIZE;
fp->aux = aux;
@@ -116,6 +122,7 @@ struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags)
prog->stats = alloc_percpu_gfp(struct bpf_prog_stats, gfp_flags);
if (!prog->stats) {
+ free_percpu(prog->active);
kfree(prog->aux);
vfree(prog);
return NULL;
@@ -253,6 +260,7 @@ void __bpf_prog_free(struct bpf_prog *fp)
kfree(fp->aux);
}
free_percpu(fp->stats);
+ free_percpu(fp->active);
vfree(fp);
}