brcmsmac: handle packet drop during transmit correctly

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The .tx() callback function can drop packets when there is no
space in the DMA fifo. Propagate that information to caller
and make sure the freed sk_buff reference is not accessed.

Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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Piotr Haber 2012-11-28 21:44:05 +01:00 • committed by John W. Linville

parent 006a8f1486

commit c4dea35e34

3 changed files with 11 additions and 8 deletions

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4

drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c

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13

drivers/net/wireless/brcm80211/brcmsmac/main.c

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2

drivers/net/wireless/brcm80211/brcmsmac/pub.h

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