b43: Drop packets that we are not able to encrypt

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We must not transmit packets we're not able to encrypt.

This fixes a bug where in a tiny timeframe after machine resume
packets can get sent unencrypted and might leak information.

This also fixes three small resource leakages I spotted while fixing
the security problem. Properly deallocate the DMA slots in any DMA
allocation error path.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Michael Buesch 2008-01-23 21:44:15 +01:00 • committed by David S. Miller

parent 7be1bb6b79

commit 09552ccd82

3 changed files with 58 additions and 30 deletions

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30

drivers/net/wireless/b43/dma.c

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48

drivers/net/wireless/b43/xmit.c

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10

drivers/net/wireless/b43/xmit.h

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