From: Andrew Lunn andrew@lunn.ch
stable inclusion from stable-v6.6.3 commit 73e80544954402203bc2448a2b6023377392fdab category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8LBQP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit f55d8e60f10909dbc5524e261041e1d28d7d20d8 upstream.
This function takes a pointer to a pointer, unlike sprintf() which is passed a plain pointer. Fix up the documentation to make this clear.
Fixes: 7888fe53b706 ("ethtool: Add common function for filling out strings") Cc: Alexander Duyck alexanderduyck@fb.com Cc: Justin Stitt justinstitt@google.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Lunn andrew@lunn.ch Reviewed-by: Justin Stitt justinstitt@google.com Link: https://lore.kernel.org/r/20231028192511.100001-1-andrew@lunn.ch Signed-off-by: Paolo Abeni pabeni@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- include/linux/ethtool.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 62b61527bcc4..1b523fd48586 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -1045,10 +1045,10 @@ static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add,
/** * ethtool_sprintf - Write formatted string to ethtool string data - * @data: Pointer to start of string to update + * @data: Pointer to a pointer to the start of string to update * @fmt: Format of string to write * - * Write formatted string to data. Update data to point at start of + * Write formatted string to *data. Update *data to point at start of * next string. */ extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...);