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-rw-r--r--include/linux/igmp.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 03f43e2893a..6e7ea2f0a57 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -30,7 +30,7 @@ struct igmphdr
{
__u8 type;
__u8 code; /* For newer IGMP */
- __be16 csum;
+ __sum16 csum;
__be32 group;
};
@@ -191,7 +191,7 @@ struct ip_mc_list
#define IGMPV3_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
#define IGMPV3_EXP(thresh, nbmant, nbexp, value) \
((value) < (thresh) ? (value) : \
- ((IGMPV3_MASK(value, nbmant) | (1<<(nbmant+nbexp))) << \
+ ((IGMPV3_MASK(value, nbmant) | (1<<(nbmant))) << \
(IGMPV3_MASK((value) >> (nbmant), nbexp) + (nbexp))))
#define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value)