NAND: Don't walk past end of oobfree[]

When computing oobavail from the list of free areas in the OOB,
don't assume there will always be an unused slot at the end.
This syncs up with the kernel NAND driver.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sandeep Paulraj 2009-11-07 14:25:18 -05:00 committed by Scott Wood
parent 18b5a4b43a
commit 5df3c2b62c
1 changed files with 2 additions and 1 deletions

View File

@ -2871,7 +2871,8 @@ int nand_scan_tail(struct mtd_info *mtd)
* the out of band area
*/
chip->ecc.layout->oobavail = 0;
for (i = 0; chip->ecc.layout->oobfree[i].length; i++)
for (i = 0; chip->ecc.layout->oobfree[i].length
&& i < ARRAY_SIZE(chip->ecc.layout->oobfree); i++)
chip->ecc.layout->oobavail +=
chip->ecc.layout->oobfree[i].length;
mtd->oobavail = chip->ecc.layout->oobavail;