Commit ed900ffb authored by Daniel Borkmann's avatar Daniel Borkmann Committed by David S. Miller

ppc: bpf_jit: can call module_free() from any context

Followup patch on module_free()/vfree() that takes care of the rest, so
no longer this workaround with work_struct is needed.
Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matt Evans <matt@ozlabs.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 71cea17e
......@@ -650,8 +650,7 @@ void bpf_jit_compile(struct sk_filter *fp)
proglen = cgctx.idx * 4;
alloclen = proglen + FUNCTION_DESCR_SIZE;
image = module_alloc(max_t(unsigned int, alloclen,
sizeof(struct work_struct)));
image = module_alloc(alloclen);
if (!image)
goto out;
......@@ -688,20 +687,8 @@ void bpf_jit_compile(struct sk_filter *fp)
return;
}
static void jit_free_defer(struct work_struct *arg)
{
module_free(NULL, arg);
}
/* run from softirq, we must use a work_struct to call
* module_free() from process context
*/
void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter) {
struct work_struct *work = (struct work_struct *)fp->bpf_func;
INIT_WORK(work, jit_free_defer);
schedule_work(work);
}
if (fp->bpf_func != sk_run_filter)
module_free(NULL, fp->bpf_func);
}
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