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s390/qeth: Fix initialization of vnicc cmd masks during set online

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Without this patch, a command bit in the supported commands mask is only
ever set to unsupported during set online. If a command is ever marked as
unsupported (e.g. because of error during qeth_l2_vnicc_query_cmds),
subsequent successful initialization (offline/online) would not bring it
back.

Fixes: caa1f0b10d ("s390/qeth: add VNICC enable/disable support")
Signed-off-by: Alexandra Winter <[email protected]>
Signed-off-by: Julian Wiedmann <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
This commit is contained in:
Alexandra Winter 2019-10-08 18:21:07 +02:00 • committed by Jakub Kicinski
commit be40a86c31
1 changed files with 8 additions and 4 deletions
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12
drivers/s390/net/qeth_l2_main.c
View file

@ -2049,11 +2049,15 @@ static void qeth_l2_vnicc_init(struct qeth_card *card)
sup_cmds = 0;
error = true;
}
if (!(sup_cmds & IPA_VNICC_SET_TIMEOUT) ||
!(sup_cmds & IPA_VNICC_GET_TIMEOUT))
if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) &&
(sup_cmds & IPA_VNICC_GET_TIMEOUT))
card->options.vnicc.getset_timeout_sup |= vnicc;
else
card->options.vnicc.getset_timeout_sup &= ~vnicc;
if (!(sup_cmds & IPA_VNICC_ENABLE) ||
!(sup_cmds & IPA_VNICC_DISABLE))
if ((sup_cmds & IPA_VNICC_ENABLE) &&
(sup_cmds & IPA_VNICC_DISABLE))
card->options.vnicc.set_char_sup |= vnicc;
else
card->options.vnicc.set_char_sup &= ~vnicc;
}
/* enforce assumed default values and recover settings, if changed */