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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-24 13:03:39 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-24 13:03:39 +0200 |
commit | 525b311bf869d7e252d744e501e227263a955c8e (patch) | |
tree | 4c644f534e5b577b9256d26b1e9a2e4a0453698e /target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch | |
parent | 0ab31bfced9666f3fb58acdb5833a93e4f4f5f7e (diff) | |
download | upstream-525b311bf869d7e252d744e501e227263a955c8e.tar.gz upstream-525b311bf869d7e252d744e501e227263a955c8e.tar.bz2 upstream-525b311bf869d7e252d744e501e227263a955c8e.zip |
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch b/target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch new file mode 100644 index 0000000000..0f2901528d --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0300-clk-bcm2835-fix-check-of-error-code-returned-by-devm.patch @@ -0,0 +1,33 @@ +From 2b3a67805c0b48fce377b60237ee29edf90996ee Mon Sep 17 00:00:00 2001 +From: Vladimir Zapolskiy <vz@mleia.com> +Date: Sun, 6 Mar 2016 03:21:35 +0200 +Subject: [PATCH 300/304] clk: bcm2835: fix check of error code returned by + devm_ioremap_resource() + +The change fixes potential oops while accessing iomem on invalid +address, if devm_ioremap_resource() fails due to some reason. + +The devm_ioremap_resource() function returns ERR_PTR() and never +returns NULL, which makes useless a following check for NULL. + +Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> +Fixes: 5e63dcc74b30 ("clk: bcm2835: Add a driver for the auxiliary peripheral clock gates") +Reviewed-by: Eric Anholt <eric@anholt.net> +Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> +--- + drivers/clk/bcm/clk-bcm2835-aux.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/clk/bcm/clk-bcm2835-aux.c ++++ b/drivers/clk/bcm/clk-bcm2835-aux.c +@@ -38,8 +38,8 @@ static int bcm2835_aux_clk_probe(struct + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + reg = devm_ioremap_resource(dev, res); +- if (!reg) +- return -ENODEV; ++ if (IS_ERR(reg)) ++ return PTR_ERR(reg); + + onecell = devm_kmalloc(dev, sizeof(*onecell), GFP_KERNEL); + if (!onecell) |