From 348fa3f6871f56a37dcd16c99ca98118c6d79a38 Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Mon, 4 Mar 2019 12:01:54 +0100 Subject: Backports v4.19.24 Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc against mainline kernel tag v4.19.24 Signed-off-by: Dominik Sliwa --- compat/backport-4.12.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 compat/backport-4.12.c (limited to 'compat/backport-4.12.c') diff --git a/compat/backport-4.12.c b/compat/backport-4.12.c new file mode 100644 index 0000000..4f9de26 --- /dev/null +++ b/compat/backport-4.12.c @@ -0,0 +1,24 @@ +#ifdef CONFIG_OF +#include +#endif + +#ifdef CONFIG_OF +#if LINUX_VERSION_IS_GEQ(4,4,0) +/** + * of_device_modalias - Fill buffer with newline terminated modalias string + */ +ssize_t bp_of_device_modalias(struct device *dev, char *str, ssize_t len) +{ + ssize_t sl = of_device_get_modalias(dev, str, len - 2); + if (sl < 0) + return sl; + if (sl > len - 2) + return -ENOMEM; + + str[sl++] = '\n'; + str[sl] = 0; + return sl; +} +EXPORT_SYMBOL_GPL(bp_of_device_modalias); +#endif +#endif -- cgit v1.2.3