[PATCH net-next v3 1/3] ethtool: Implement ethtool_puts()
STALE1074d
From: Justin Stitt <justinstitt@google.com>
Date: 2023-10-27 22:05:44
Also in:
bpf, intel-wired-lan, linux-mediatek, lkml, netdev
Subsystem:
networking [ethtool], networking [general], the rest · Maintainers:
Andrew Lunn, Jakub Kicinski, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds
Revision v3 of 5 in this series.
Revisions (5)
Use strscpy() to implement ethtool_puts(). Functionally the same as ethtool_sprintf() when it's used with two arguments or with just "%s" format specifier. Signed-off-by: Justin Stitt <justinstitt@google.com> --- include/linux/ethtool.h | 13 +++++++++++++ net/ethtool/ioctl.c | 7 +++++++ 2 files changed, 20 insertions(+)
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 226a36ed5aa1..e340ed822cc2 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h@@ -1053,6 +1053,19 @@ static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add, */ extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...); +/** + * ethtool_puts - Write string to ethtool string data + * @data: Pointer to start of string to update + * @str: String to write + * + * Write string to data. Update data to point at start of next + * string. + * + * Prefer this function to ethtool_sprintf() when given only + * two arguments or if @fmt is just "%s". + */ +extern void ethtool_puts(u8 **data, const char *str); + /* Link mode to forced speed capabilities maps */ struct ethtool_forced_speed_map { u32 speed;
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 0b0ce4f81c01..abdf05edf804 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c@@ -1991,6 +1991,13 @@ __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...) } EXPORT_SYMBOL(ethtool_sprintf); +void ethtool_puts(u8 **data, const char *str) +{ + strscpy(*data, str, ETH_GSTRING_LEN); + *data += ETH_GSTRING_LEN; +} +EXPORT_SYMBOL(ethtool_puts); + static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) { struct ethtool_value id;
--
2.42.0.820.g83a721a137-goog