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authorDaniel Borkmann <dborkman@redhat.com>2013-05-20 08:05:51 +0000
committerDavid S. Miller <davem@davemloft.net>2013-05-20 14:03:50 -0700
commitaafc787e41fd8a4d3a4378b028d8d8f8d38d9bb6 (patch)
tree7b300d6c74c287f5e868d0dcf429a8078dca072d /arch/arm/net
parented900ffb73e3ab154dff1ae20a2393f24da728df (diff)
downloadlinux-aafc787e41fd8a4d3a4378b028d8d8f8d38d9bb6.tar.bz2
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 <dborkman@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Mircea Gherzan <mgherzan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/net')
-rw-r--r--arch/arm/net/bpf_jit_32.c18
1 files 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);
}