Messages in this thread | | | From | Alexander Strakh <> | Subject | [BUG] ali-ircc.c sleeping function called from invalid context | Date | Thu, 8 Oct 2009 12:22:29 +0000 |
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KERNEL_VERSION: 2.6.31 DESCRIBE: Driver reports/drivers/net/irda/ali-ircc.c might sleep in attomic context, because it calls ali_ircc_change_speed after spin_lock_irqsave:
drivers/net/irda/ali-ircc.c: 2028static int ali_ircc_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ... 2056 spin_lock_irqsave(&self->lock, flags); 2057 ali_ircc_change_speed(self, irq->ifr_baudrate); ...
Path to might_sleep macro from ali_ircc_change_speed: 1. ali_ircc_change_speed calls ali_ircc_sir_change_speed ./drivers/net/irda/ali-ircc.c:999 2. ali_ircc_sir_change_speed calls spin_lock_irqsave at ./drivers/net/irda/ali-ircc.c:1084
Found by: Linux Driver Verification
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