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drivers/edac/mpc85xx_edac.c: correct offset_in_page mask bits in edac_mc_handle_ce()

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Parameter offset_in_page in edac_mc_handle_ce() should mask the higher
bits above the page size, not the lower bits.  The original input
sometimes causes a crash.

Signed-off-by: Kai.Jiang <[email protected]>
Signed-off-by: Shaohui Xie <[email protected]>
Cc: Anton Vorontsov <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Kumar Gala <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kai.Jiang 2011-07-26 16:08:49 -07:00 • committed by Linus Torvalds
commit 444d292121
1 changed files with 2 additions and 2 deletions
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4
drivers/edac/mpc85xx_edac.c
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@ -854,11 +854,11 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
mpc85xx_mc_printk(mci, KERN_ERR, "PFN out of range!\n");
if (err_detect & DDR_EDE_SBE)
edac_mc_handle_ce(mci, pfn, err_addr & PAGE_MASK,
edac_mc_handle_ce(mci, pfn, err_addr & ~PAGE_MASK,
syndrome, row_index, 0, mci->ctl_name);
if (err_detect & DDR_EDE_MBE)
edac_mc_handle_ue(mci, pfn, err_addr & PAGE_MASK,
edac_mc_handle_ue(mci, pfn, err_addr & ~PAGE_MASK,
row_index, mci->ctl_name);
out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT, err_detect);