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| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2017-12-22 12:07:34 +0000 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-09-18 17:15:11 +0200 |
| commit | 69ff0b5709d0d06545fcb2d08c7645b56d3687dd (patch) | |
| tree | 71f1569cc019e16c1b1be22c1e8d382766daebb3 /compat/backport-4.12.c | |
| parent | d6a47bfb72f495a72637fbe635220f6af0f4cb6f (diff) | |
backports: bluetooth: Support 4.9 kernels
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'compat/backport-4.12.c')
| -rw-r--r-- | compat/backport-4.12.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/compat/backport-4.12.c b/compat/backport-4.12.c index 2c0053f..8f3e5ab 100644 --- a/compat/backport-4.12.c +++ b/compat/backport-4.12.c @@ -3,6 +3,9 @@ */ #include <net/genetlink.h> #include <net/sock.h> +#ifdef CONFIG_OF +#include <linux/of_device.h> +#endif enum nlmsgerr_attrs { NLMSGERR_ATTR_UNUSED, @@ -275,3 +278,22 @@ int bp_extack_genl_unregister_family(struct genl_family *family) return 0; } EXPORT_SYMBOL_GPL(bp_extack_genl_unregister_family); + +#ifdef CONFIG_OF +/** + * 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 |