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From fe1ac5eaa8ae482c9112aed6b89f9f2e529f4516 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Tue, 10 Dec 2019 12:27:13 +0100
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Subject: [PATCH] uapi: netfilter: Avoid undefined left-shift in xt_sctp.h
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This is a backport of kernel commit 164166558aace ("netfilter: uapi:
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Avoid undefined left-shift in xt_sctp.h").
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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include/linux/netfilter/xt_sctp.h | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/include/linux/netfilter/xt_sctp.h b/include/linux/netfilter/xt_sctp.h
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index a501e6196905d..5b28525a2482a 100644
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--- a/include/linux/netfilter/xt_sctp.h
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+++ b/include/linux/netfilter/xt_sctp.h
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@@ -40,19 +40,19 @@ struct xt_sctp_info {
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#define SCTP_CHUNKMAP_SET(chunkmap, type) \
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do { \
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(chunkmap)[type / bytes(__u32)] |= \
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- 1 << (type % bytes(__u32)); \
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+ 1u << (type % bytes(__u32)); \
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} while (0)
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#define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \
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do { \
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(chunkmap)[type / bytes(__u32)] &= \
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- ~(1 << (type % bytes(__u32))); \
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+ ~(1u << (type % bytes(__u32))); \
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} while (0)
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#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \
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({ \
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((chunkmap)[type / bytes (__u32)] & \
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- (1 << (type % bytes (__u32)))) ? 1: 0; \
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+ (1u << (type % bytes (__u32)))) ? 1: 0; \
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})
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#define SCTP_CHUNKMAP_RESET(chunkmap) \
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--
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2.24.0
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