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| author |   David S. Miller <davem@sunset.davemloft.net> | 2005-09-28 16:48:40 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-09-28 16:48:40 -0700 |
| commit | 705747ab87c96f1b4b8e73ba617c323d9087f6ac (patch) | |
| tree | efef5a442b2cccd76f94ae6cf3848519043e742d /arch/sparc64/kernel/unaligned.c | |
| parent | [SPARC64]: Add missing IDs for newer cpus. (diff) | |
| download | linux-dev-705747ab87c96f1b4b8e73ba617c323d9087f6ac.tar.xz linux-dev-705747ab87c96f1b4b8e73ba617c323d9087f6ac.zip | |
[SPARC64]: Fix bug in unaligned load endianness swapping
The in-memory value was being swapped, not the value we
loaded into the register.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/unaligned.c')
| -rw-r--r-- | arch/sparc64/kernel/unaligned.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c index 42718f6a7d36..02af08ffec8f 100644 --- a/arch/sparc64/kernel/unaligned.c +++ b/arch/sparc64/kernel/unaligned.c @@ -294,7 +294,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u kernel_mna_trap_fault(); } else { - unsigned long addr; + unsigned long addr, *reg_addr; int orig_asi, asi; addr = compute_effective_address(regs, insn, @@ -319,11 +319,11 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u }; switch (dir) { case load: - do_int_load(fetch_reg_addr(((insn>>25)&0x1f), regs), - size, (unsigned long *) addr, + reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs); + do_int_load(reg_addr, size, (unsigned long *) addr, decode_signedness(insn), asi); if (unlikely(asi != orig_asi)) { - unsigned long val_in = *(unsigned long *) addr; + unsigned long val_in = *reg_addr; switch (size) { case 2: val_in = swab16(val_in); @@ -339,7 +339,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u BUG(); break; }; - *(unsigned long *) addr = val_in; + *reg_addr = val_in; } break; |