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parisc/unaligned: Fix emulate_ldw() breakage 

The commit e8aa7b17fe broke the 32-bit load-word unalignment exception
handler because it calculated the wrong amount of bits by which the value
should be shifted. This patch fixes it.

Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: e8aa7b17fe ("parisc/unaligned: Rewrite inline assembly of emulate_ldw()")
Cc: stable@vger.kernel.org   # v5.18
This commit is contained in:
Helge Deller 2022-06-27 01:39:11 +02:00
parent 03c765b0e3
commit 96b80fcd27
1 changed files with 1 additions and 1 deletions
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2
arch/parisc/kernel/unaligned.c
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@ -146,7 +146,7 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
" depw %%r0,31,2,%4\n" " depw %%r0,31,2,%4\n"
"1: ldw 0(%%sr1,%4),%0\n" "1: ldw 0(%%sr1,%4),%0\n"
"2: ldw 4(%%sr1,%4),%3\n" "2: ldw 4(%%sr1,%4),%3\n"
" subi 32,%4,%2\n" " subi 32,%2,%2\n"
" mtctl %2,11\n" " mtctl %2,11\n"
" vshd %0,%3,%0\n" " vshd %0,%3,%0\n"
"3: \n" "3: \n"