linux/drivers/net/ethernet/brocade
Rasesh Mody b9fa1fbf98 bna: Eliminate Small Race Condition Window in RX Path
Change details:
 - In a continuous sequence of ifconfig up/down operations, there is a small
   window of race between bnad_set_rx_mode() and bnad_cleanup_rx() while the
   former tries to access rx_info->rx & the latter sets it to NULL. This race
   could lead to bna_rx_mode_set() being called with a NULL (rx_info->rx)
   pointer and a crash.
 - Hold bnad->bna_lock while setting / unsetting rx_info->rx in bnad_setup_rx()
   & bnad_cleanup_rx(), thereby eliminating the race described above.

Signed-off-by: Gurunatha Karaje <gkaraje@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-17 00:47:57 -04:00
..
bna bna: Eliminate Small Race Condition Window in RX Path 2011-09-17 00:47:57 -04:00
Kconfig drivers/net/ethernet/*: Enabled vendor Kconfig options 2011-08-27 00:58:56 -07:00
Makefile bna: Move the Brocade driver 2011-08-11 02:41:14 -07:00