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db9683fb19
The rfkill subsystem doesn't like code like that rfkill_allocate(); rfkill_register(); rfkill_unregister(); rfkill_register(); /* <- This will crash */ This sequence happens with modprobe b43 ifconfig wlanX up ifconfig wlanX down ifconfig wlanX up Fix this by always re-allocating the rfkill stuff before register. The patch to b43 by Michael Buesch <mb@bu3sch.de> has been ported to b43legacy. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef B43legacy_RFKILL_H_
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#define B43legacy_RFKILL_H_
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struct b43legacy_wldev;
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#ifdef CONFIG_B43LEGACY_RFKILL
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#include <linux/rfkill.h>
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#include <linux/workqueue.h>
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#include <linux/input-polldev.h>
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struct b43legacy_rfkill {
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/* The RFKILL subsystem data structure */
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struct rfkill *rfkill;
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/* The poll device for the RFKILL input button */
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struct input_polled_dev *poll_dev;
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/* Did initialization succeed? Used for freeing. */
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bool registered;
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/* The unique name of this rfkill switch */
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char name[sizeof("b43legacy-phy4294967295")];
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};
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/* The init function returns void, because we are not interested
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* in failing the b43 init process when rfkill init failed. */
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void b43legacy_rfkill_init(struct b43legacy_wldev *dev);
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void b43legacy_rfkill_exit(struct b43legacy_wldev *dev);
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char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev);
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#else /* CONFIG_B43LEGACY_RFKILL */
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/* No RFKILL support. */
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struct b43legacy_rfkill {
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/* empty */
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};
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static inline void b43legacy_rfkill_alloc(struct b43legacy_wldev *dev)
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{
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}
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static inline void b43legacy_rfkill_free(struct b43legacy_wldev *dev)
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{
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}
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static inline void b43legacy_rfkill_init(struct b43legacy_wldev *dev)
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{
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}
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static inline void b43legacy_rfkill_exit(struct b43legacy_wldev *dev)
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{
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}
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static inline char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev)
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{
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return NULL;
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}
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#endif /* CONFIG_B43LEGACY_RFKILL */
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#endif /* B43legacy_RFKILL_H_ */
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