Eric Lee / linux-smarc-t335x-v3.2

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Commit 01cd2ababddd55a127caa1cd20d570637e0d42e1

Authored by Marek Vasut
Committed by David Woodhouse
1 parent ef56609f9c
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

gen_nand: Test if nr_chips field is valid 

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

Showing 1 changed file with 5 additions and 0 deletions Side-by-side Diff

drivers/mtd/nand/plat_nand.c
Diff comments   View file @ 01cd2ab
... ... @@ -37,6 +37,11 @@
37 37 struct resource *res;
38 38 int err = 0;
39 39  
  40 + if (pdata->chip.nr_chips < 1) {
  41 + dev_err(&pdev->dev, "invalid number of chips specified\n");
  42 + return -EINVAL;
  43 + }
  44 +
40 45 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
41 46 if (!res)
42 47 return -ENXIO;