PWN-Hunter/android_kernel_xiaomi_sdm845
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82596: free resources on error

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IRQ 56 was not freed anywhere (neither in i596_open() on error nor in
i596_close()), rx_bufs were not freed if init_i596_mem() fails,
netif_stop_queue() was not called.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kulikov Vasiliy 2010-07-09 02:25:40 +00:00 committed by David S. Miller
parent f163530407
commit a607072b86
1 changed files with 22 additions and 8 deletions
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30
drivers/net/82596.c
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@ -1015,24 +1015,35 @@ static int i596_open(struct net_device *dev)
}
#ifdef ENABLE_MVME16x_NET
if (MACH_IS_MVME16x) {
if (request_irq(0x56, i596_error, 0, "i82596_error", dev))
return -EAGAIN;
if (request_irq(0x56, i596_error, 0, "i82596_error", dev)) {
res = -EAGAIN;
goto err_irq_dev;
}
}
#endif
res = init_rx_bufs(dev);
if (res) {
free_irq(dev->irq, dev);
return res;
}
if (res)
goto err_irq_56;
netif_start_queue(dev);
/* Initialize the 82596 memory */
if (init_i596_mem(dev)) {
res = -EAGAIN;
free_irq(dev->irq, dev);
goto err_queue;
}
return 0;
err_queue:
netif_stop_queue(dev);
remove_rx_bufs(dev);
err_irq_56:
#ifdef ENABLE_MVME16x_NET
free_irq(0x56, dev);
#endif
err_irq_dev:
free_irq(dev->irq, dev);
return res;
}
@ -1498,6 +1509,9 @@ static int i596_close(struct net_device *dev)
}
#endif
#ifdef ENABLE_MVME16x_NET
free_irq(0x56, dev);
#endif
free_irq(dev->irq, dev);
remove_rx_bufs(dev);