From aafc787e41fd8a4d3a4378b028d8d8f8d38d9bb6 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Mon, 20 May 2013 08:05:51 +0000 Subject: [PATCH] arm: bpf_jit: can call module_free() from any context Follow-up on module_free()/vfree() that takes care of the rest, so no longer this workaround with work_struct needed. Signed-off-by: Daniel Borkmann Cc: Al Viro Cc: Mircea Gherzan Signed-off-by: David S. Miller --- arch/arm/net/bpf_jit_32.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 1a643ee8e082..f50d223a0bd3 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -900,8 +900,7 @@ void bpf_jit_compile(struct sk_filter *fp) #endif alloc_size = 4 * ctx.idx; - ctx.target = module_alloc(max(sizeof(struct work_struct), - alloc_size)); + ctx.target = module_alloc(alloc_size); if (unlikely(ctx.target == NULL)) goto out; @@ -927,19 +926,8 @@ out: return; } -static void bpf_jit_free_worker(struct work_struct *work) -{ - module_free(NULL, work); -} - void bpf_jit_free(struct sk_filter *fp) { - struct work_struct *work; - - if (fp->bpf_func != sk_run_filter) { - work = (struct work_struct *)fp->bpf_func; - - INIT_WORK(work, bpf_jit_free_worker); - schedule_work(work); - } + if (fp->bpf_func != sk_run_filter) + module_free(NULL, fp->bpf_func); } -- 2.20.1