#ifndef _L3_H_
#define _L3_H_ 1
struct l3_pins {
void (*setdat)(struct l3_pins *, int);
void (*setclk)(struct l3_pins *, int);
void (*setmode)(struct l3_pins *, int);
int gpio_data;
int gpio_clk;
int gpio_mode;
int use_gpios;
int data_hold;
int data_setup;
int clock_high;
int mode_hold;
int mode;
int mode_setup;
};
struct device;
int l3_write(struct l3_pins *adap, u8 addr, u8 *data, int len);
int l3_set_gpio_ops(struct device *dev, struct l3_pins *adap);
#endif
href='http:///git.distanz.ch/cgit.cgi/linux/net-next.git' title='net-next.git Git repository'/>
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Andrey Konovalov got crashes in __ip_options_echo() when a NULL skb->dst
is accessed.
ipv4_pktinfo_prepare() should not drop the dst if (evil) IP options
are present.
We could refine the test to the presence of ts_needtime or srr,
but IP options are not often used, so let's be conservative.
Thanks to syzkaller team for finding this bug.
Fixes: d826eb14ecef ("ipv4: PKTINFO doesnt need dst reference")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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