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[MTD] NAND s3c2410: Add missing NULL pointer check

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Fix OOPs if there was no platform set information passed

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ben Dooks 2005-07-06 21:05:10 +01:00 committed by Thomas Gleixner
parent b3539219c9
commit fb8d82a865
1 changed files with 3 additions and 2 deletions
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5
drivers/mtd/nand/s3c2410.c
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@ -16,8 +16,9 @@
* 02-May-2005 BJD Fixed s3c2440 support * 02-May-2005 BJD Fixed s3c2440 support
* 02-May-2005 BJD Reduced hwcontrol decode * 02-May-2005 BJD Reduced hwcontrol decode
* 20-Jun-2005 BJD Updated s3c2440 support, fixed timing bug * 20-Jun-2005 BJD Updated s3c2440 support, fixed timing bug
* 08-Jul-2005 BJD Fix OOPS when no platform data supplied
* *
* $Id: s3c2410.c,v 1.13 2005/06/20 11:48:21 bjd Exp $ * $Id: s3c2410.c,v 1.14 2005/07/06 20:05:06 bjd Exp $
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -232,7 +233,7 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
if (chip == -1) { if (chip == -1) {
cur |= bit; cur |= bit;
} else { } else {
if (chip > nmtd->set->nr_chips) { if (nmtd->set != NULL && chip > nmtd->set->nr_chips) {
printk(KERN_ERR PFX "chip %d out of range\n", chip); printk(KERN_ERR PFX "chip %d out of range\n", chip);
return; return;
} }