Taras, it looks good. Did you submit it into Russell's patch system? It would be good to have this fix in main line tree.
Anyone, is there any concerns about this patch? It is quite simple change.
Thanks, Victor
On 23 December 2013 08:42, Taras Kondratiuk taras.kondratiuk@linaro.org wrote:
Currently code has an inverted logic: opcode from user memory is swapped to a proper endianness only in case of read error. While normally opcode should be swapped only if it was read correctly from user memory.
Signed-off-by: Ben Dooks ben.dooks@codethink.co.uk Signed-off-by: Taras Kondratiuk taras.kondratiuk@linaro.org
arch/arm/kernel/traps.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 7940241..36a844e 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -425,9 +425,10 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) instr2 = __mem_to_opcode_thumb16(instr2); instr = __opcode_thumb32_compose(instr, instr2); }
} else if (get_user(instr, (u32 __user *)pc)) {
} else {if (get_user(instr, (u32 __user *)pc))goto die_sig; instr = __mem_to_opcode_arm(instr);
goto die_sig; } if (call_undef_hook(regs, instr) == 0)-- 1.7.9.5
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