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authorChan Shu Tak, Alex <alexchan@task.com.hk>2019-12-19 14:16:18 +0800
committerDavid S. Miller <davem@davemloft.net>2019-12-20 21:19:36 -0800
commitaf1c0e4e00f3cc76cb136ebf2e2c04e8b6446285 (patch)
tree813b496e56a412f0dfaf103b279709da5f149eef /drivers/tty/tty_buffer.c
parent90b3b339364c76baa2436445401ea9ade040c216 (diff)
downloadlinux-af1c0e4e00f3cc76cb136ebf2e2c04e8b6446285.tar.bz2
llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
When a frame with NULL DSAP is received, llc_station_rcv is called. In turn, llc_stat_ev_rx_null_dsap_xid_c is called to check if it is a NULL XID frame. The return statement of llc_stat_ev_rx_null_dsap_xid_c returns 1 when the incoming frame is not a NULL XID frame and 0 otherwise. Hence, a NULL XID response is returned unexpectedly, e.g. when the incoming frame is a NULL TEST command. To fix the error, simply remove the conditional operator. A similar error in llc_stat_ev_rx_null_dsap_test_c is also fixed. Signed-off-by: Chan Shu Tak, Alex <alexchan@task.com.hk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/tty/tty_buffer.c')
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