wimax/i2400m: fix oops in TX when tearing down the device

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All the entry points into the TX module should check if the device has
been torn down. Otherwise, when the device resets or shuts down, there
are windows when a call to i2400m_tx*() will oops the system.

For that, make i2400m_tx_release() set i2400m->tx_buf to NULL under
the tx_lock. Then, any entry point [i2400m_tx(), _tx_msg_sent(),
_tx_msg_get()] will check for i2400m->tx_buf to be NULL and exit
gracefully.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>

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This commit is contained in:

Inaky Perez-Gonzalez 2009-10-07 22:46:29 +09:00

parent a0beba21c3

commit 46c501473d

2 changed files with 21 additions and 2 deletions

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5

drivers/net/wimax/i2400m/sdio-tx.c

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18

drivers/net/wimax/i2400m/tx.c

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