/*
* Subject to the GPL, version 2.
*/
#include "xmalloc.h"
struct panic_handler {
void *arg;
pid_t pid;
bool is_enabled;
void (*on_panic)(void *arg);
struct panic_handler *next;
};
static struct panic_handler *panic_handlers;
void panic_handler_add(void (*on_panic)(void *arg), void *arg)
{
struct panic_handler *handler = xmallocz(sizeof(*handler));
handler->arg = arg;
handler->pid = getpid();
handler->is_enabled = true;
handler->on_panic = on_panic;
handler->next = panic_handlers;
panic_handlers = handler;
};
void call_panic_handlers(void)
{
struct panic_handler *it;
pid_t pid = getpid();
for (it = panic_handlers; it; it = it->next) {
if (it->pid == pid && it->is_enabled) {
it->is_enabled = false;
it->on_panic(it->arg);
}
}
}
>index : net-next.git
rt2x00: fix clk_get call
clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().
Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>