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79103d3156
Also brutally silence -Wcast-align warnings in OS_MBUF_PKTHDR() and OS_MBUF_PKTHDR_TO_MBUF(), as those are used by nimble users. It might make sense to check if the silenced / disabled warnings do indeed point out unaligned memory accesses.
32 lines
1.2 KiB
Diff
32 lines
1.2 KiB
Diff
From ba0f5ceb2aeaa6c2aab5c20c79597d306d360900 Mon Sep 17 00:00:00 2001
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From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
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Date: Thu, 4 Nov 2021 15:38:38 +0100
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Subject: [PATCH] porting/nimble: silence -Wcast-align
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---
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porting/nimble/include/os/os_mbuf.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/porting/nimble/include/os/os_mbuf.h b/porting/nimble/include/os/os_mbuf.h
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index 771ea761..e5ca0617 100644
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--- a/porting/nimble/include/os/os_mbuf.h
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+++ b/porting/nimble/include/os/os_mbuf.h
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@@ -132,12 +132,12 @@ struct os_mqueue {
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((__om)->om_pkthdr_len >= sizeof (struct os_mbuf_pkthdr))
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/** Get a packet header pointer given an mbuf pointer */
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-#define OS_MBUF_PKTHDR(__om) ((struct os_mbuf_pkthdr *) \
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+#define OS_MBUF_PKTHDR(__om) ((struct os_mbuf_pkthdr *)(uintptr_t) \
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((uint8_t *)&(__om)->om_data + sizeof(struct os_mbuf)))
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/** Given a mbuf packet header pointer, return a pointer to the mbuf */
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#define OS_MBUF_PKTHDR_TO_MBUF(__hdr) \
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- (struct os_mbuf *)((uint8_t *)(__hdr) - sizeof(struct os_mbuf))
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+ (struct os_mbuf *)(uintptr_t)((uint8_t *)(__hdr) - sizeof(struct os_mbuf))
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/**
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* Gets the length of an entire mbuf chain. The specified mbuf must have a
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--
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2.33.1
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