>From d30bc4e92236e72bb0a9a743f3ad605ea1c1152e Mon Sep 17 00:00:00 2001 From: William Tambe <tambewilliam@xxxxxxxxx> Date: Mon, 2 Oct 2023 10:16:54 -0500 Subject: [PATCH v2] drivers/net/slip: prevent data alignment fault Prevent data alignment fault on architectures which cannot do unaligned memory access. --- drivers/net/slip/slhc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c index ba93bab948e0..f198be2c7205 100644 --- a/drivers/net/slip/slhc.c +++ b/drivers/net/slip/slhc.c @@ -459,7 +459,7 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize, *cpp = ocp; *cp++ = changes; } - *(__sum16 *)cp = csum; + put_unaligned(csum, (__sum16 *)cp); cp += 2; /* deltaS is now the size of the change section of the compressed header */ memcpy(cp,new_seq,deltaS); /* Write list of deltas */ @@ -534,7 +534,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) thp = &cs->cs_tcp; ip = &cs->cs_ip; - thp->check = *(__sum16 *)cp; + thp->check = get_unaligned((__sum16 *)cp); cp += 2; thp->psh = (changes & TCP_PUSH_BIT) ? 1 : 0; -- 2.34.1