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Merge pull request #9685 from heitbaum/libnfs

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libnfs: socket: use void cast to allow compile for arm32
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Matthias Reichl 2025-01-14 22:13:58 +01:00 committed by GitHub
commit a0952a4cb7
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packages/network/libnfs/patches/libnfs-514-socket-use-void-cast-to-allow-compile-for-arm32.patch Normal file
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@ -0,0 +1,62 @@
From a01d42a0d9682d3e506d3c78680db8c7d158fe88 Mon Sep 17 00:00:00 2001
From: Rudi Heitbaum <rudi@heitbaum.com>
Date: Tue, 14 Jan 2025 14:09:36 +0000
Subject: [PATCH] socket: use void cast to allow compile for arm32
When compiling for arm32 the error: cast increases required alignment
of target type occurs.
/lib/socket.c: In function 'rpc_read_from_socket':
lib/socket.c:586:49: error: cast increases required alignment of target type [-Werror=cast-align]
586 | rpc->rm_xid[1] = ntohl(*(uint32_t *)&buf[0]);
| ^
lib/socket.c:587:61: error: cast increases required alignment of target type [-Werror=cast-align]
587 | rpc->pdu = rpc_find_pdu(rpc, ntohl(*(uint32_t *)&buf[0]));
| ^
lib/socket.c:799:35: error: cast increases required alignment of target type [-Werror=cast-align]
799 | *((uint32_t *)rpc->inbuf) = htonl(rpc->rm_xid[1]);
| ^
lib/socket.c:861:71: error: cast increases required alignment of target type [-Werror=cast-align]
861 | const READ3res *res = (READ3res *) rpc->pdu->zdr_decode_buf;
| ^
cast via (void *) to allow the compile to suceed, as all of the source buffers should be 32bit aligned.
Signed-off-by: Rudi Heitbaum <rudi@heitbaum.com>
---
lib/socket.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/socket.c b/lib/socket.c
index 8f5835cc..df6f329b 100644
--- a/lib/socket.c
+++ b/lib/socket.c
@@ -583,8 +583,8 @@ rpc_read_from_socket(struct rpc_context *rpc)
}
if (!rpc->is_server_context) {
rpc->rm_xid[0] = count;
- rpc->rm_xid[1] = ntohl(*(uint32_t *)&buf[0]);
- rpc->pdu = rpc_find_pdu(rpc, ntohl(*(uint32_t *)&buf[0]));
+ rpc->rm_xid[1] = ntohl(*(uint32_t *)(void *)&buf[0]);
+ rpc->pdu = rpc_find_pdu(rpc, ntohl(*(uint32_t *)(void *)&buf[0]));
if (rpc->pdu == NULL) {
rpc_set_error(rpc, "Failed to match incoming PDU/XID."
" Ignoring PDU");
@@ -796,7 +796,7 @@ rpc_read_from_socket(struct rpc_context *rpc)
}
/* Copy the next 4 bytes into inbuf */
- *((uint32_t *)rpc->inbuf) = htonl(rpc->rm_xid[1]);
+ *((uint32_t *)(void *)rpc->inbuf) = htonl(rpc->rm_xid[1]);
/* but set inpos to 0, we will update it above
* that we have already read these 4 bytes in
@@ -858,7 +858,7 @@ rpc_read_from_socket(struct rpc_context *rpc)
* If the READ failed, bail out here as there is no
* data.
*/
- const READ3res *res = (READ3res *) rpc->pdu->zdr_decode_buf;
+ const READ3res *res = (READ3res *)(void *) rpc->pdu->zdr_decode_buf;
if (res->status != NFS3_OK) {
goto payload_finished;
}