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drbd: drbd_nla_check_mandatory(): Need to remove the DRBD_GENLA_F_MANDATORY flag first

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We need to remove the flag before checking for valid types.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Andreas Gruenbacher 2011-05-24 14:08:58 +02:00 • committed by Philipp Reisner
parent 5f9359201b
commit 5084d71d89
1 changed files with 1 additions and 1 deletions
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2
include/linux/genl_magic_func.h
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@ -158,9 +158,9 @@ static inline int drbd_nla_check_mandatory(int maxtype, struct nlattr *nla)
nla_for_each_attr(nla, head, len, rem) { nla_for_each_attr(nla, head, len, rem) {
if (nla->nla_type & DRBD_GENLA_F_MANDATORY) { if (nla->nla_type & DRBD_GENLA_F_MANDATORY) {
nla->nla_type &= ~DRBD_GENLA_F_MANDATORY;
if (nla_type(nla) > maxtype) if (nla_type(nla) > maxtype)
return -EOPNOTSUPP; return -EOPNOTSUPP;
nla->nla_type &= ~DRBD_GENLA_F_MANDATORY;
} }
} }
return 0; return 0;