Re: [PATCH] fix post-fence error

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Hello.

Ralf Baechle wrote:

Sergei Shtylyov wrote:

  Could also add spaces between the operands and operators (like
above/below), while at it...

like this?

Thanks. I didn't like the magic numbers in the code so I went for below
patch instead.

Cheers,

  Ralf

From: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

[MIPS] IRIX: Fix off-by-one error in signal compat code.

Based on original patch by Roel Kluin <12o3l@xxxxxxxxxx>.

Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

   I'm afraid this new patch is wrong...

diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c
index a0a9105..5052f47 100644
--- a/arch/mips/kernel/irixsig.c
+++ b/arch/mips/kernel/irixsig.c
@@ -24,8 +24,12 @@
#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP))) +#define _IRIX_NSIG 128
+#define _IRIX_NSIG_BPW		BITS_PER_LONG
+#define _IRIX_NSIG_WORDS	(_IRIX_NSIG / _IRIX_NSIG_BPW)
+
 typedef struct {
-	unsigned long sig[4];
+	unsigned long sig[_IRIX_NSIG_WORDS];
 } irix_sigset_t;
struct sigctx_irix5 {
@@ -527,7 +531,7 @@ asmlinkage int irix_sigpoll_sys(unsigned long __user *set,
expire = schedule_timeout_interruptible(expire); - for (i=0; i<=4; i++)
+		for (i=0; i < _IRIX_NSIG_BPW; i++)

   Did you mean _IRIX_NSIG_WORDS? :-/

 			tmp |= (current->pending.signal.sig[i] & kset.sig[i]);
if (tmp)

WBR, Sergei


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