diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch b/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch new file mode 100644 index 0000000..f075d6e --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0105-mtd-nand-pxa3xx-Check-for-clk_prepare_enable-return-.patch @@ -0,0 +1,29 @@ +From 7e8fbc673938278ec7165b99b76227d7cc2ab012 Mon Sep 17 00:00:00 2001 +From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> +Date: Wed, 17 Apr 2013 13:38:13 -0300 +Subject: [PATCH 105/203] mtd: nand: pxa3xx: Check for clk_prepare_enable() + return value + +clk_prepare_enable() can fail due to unknown reason. +Add a check for this and return the error code if it fails. + +Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> +Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> +Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> +--- + drivers/mtd/nand/pxa3xx_nand.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/nand/pxa3xx_nand.c ++++ b/drivers/mtd/nand/pxa3xx_nand.c +@@ -1072,7 +1072,9 @@ static int alloc_nand_resource(struct pl + dev_err(&pdev->dev, "failed to get nand clock\n"); + return PTR_ERR(info->clk); + } +- clk_prepare_enable(info->clk); ++ ret = clk_prepare_enable(info->clk); ++ if (ret < 0) ++ return ret; + + /* + * This is a dirty hack to make this driver work from devicetree |