[PATCH] edac: i7core_edac produces undefined behaviour on 32bit

From: Alan Cox
Date: Wed Oct 28 2009 - 07:04:30 EST


Fix the shifts up

Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---

drivers/edac/i7core_edac.c | 24 ++++++++++++------------
1 files changed, 12 insertions(+), 12 deletions(-)


diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index b6fce2e..bd7c727 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -916,41 +916,41 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci,

/* Sets pvt->inject.dimm mask */
if (pvt->inject.dimm < 0)
- mask |= 1L << 41;
+ mask |= 1LL << 41;
else {
if (pvt->channel[pvt->inject.channel].dimms > 2)
- mask |= (pvt->inject.dimm & 0x3L) << 35;
+ mask |= (pvt->inject.dimm & 0x3LL) << 35;
else
- mask |= (pvt->inject.dimm & 0x1L) << 36;
+ mask |= (pvt->inject.dimm & 0x1LL) << 36;
}

/* Sets pvt->inject.rank mask */
if (pvt->inject.rank < 0)
- mask |= 1L << 40;
+ mask |= 1LL << 40;
else {
if (pvt->channel[pvt->inject.channel].dimms > 2)
- mask |= (pvt->inject.rank & 0x1L) << 34;
+ mask |= (pvt->inject.rank & 0x1LL) << 34;
else
- mask |= (pvt->inject.rank & 0x3L) << 34;
+ mask |= (pvt->inject.rank & 0x3LL) << 34;
}

/* Sets pvt->inject.bank mask */
if (pvt->inject.bank < 0)
- mask |= 1L << 39;
+ mask |= 1LL << 39;
else
- mask |= (pvt->inject.bank & 0x15L) << 30;
+ mask |= (pvt->inject.bank & 0x15LL) << 30;

/* Sets pvt->inject.page mask */
if (pvt->inject.page < 0)
- mask |= 1L << 38;
+ mask |= 1LL << 38;
else
- mask |= (pvt->inject.page & 0xffffL) << 14;
+ mask |= (pvt->inject.page & 0xffff) << 14;

/* Sets pvt->inject.column mask */
if (pvt->inject.col < 0)
- mask |= 1L << 37;
+ mask |= 1LL << 37;
else
- mask |= (pvt->inject.col & 0x3fffL);
+ mask |= (pvt->inject.col & 0x3fff);

/*
* bit 0: REPEAT_EN

--
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