diff options
Diffstat (limited to 'backport/compat/backport-4.12.c')
-rw-r--r-- | backport/compat/backport-4.12.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/backport/compat/backport-4.12.c b/backport/compat/backport-4.12.c new file mode 100644 index 00000000..413ae7f1 --- /dev/null +++ b/backport/compat/backport-4.12.c @@ -0,0 +1,22 @@ +#ifdef CONFIG_OF +#include <linux/of_device.h> +#endif + +#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 |