From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Subject: lib: bitmap: fix many kernel-doc warnings Fix kernel-doc warings in lib/bitmap.c: ../lib/bitmap.c:498: warning: Function parameter or member 'buf' not described in 'bitmap_print_to_buf' ../lib/bitmap.c:498: warning: Function parameter or member 'maskp' not described in 'bitmap_print_to_buf' ../lib/bitmap.c:498: warning: Function parameter or member 'nmaskbits' not described in 'bitmap_print_to_buf' ../lib/bitmap.c:498: warning: Function parameter or member 'off' not described in 'bitmap_print_to_buf' ../lib/bitmap.c:498: warning: Function parameter or member 'count' not described in 'bitmap_print_to_buf' ../lib/bitmap.c:561: warning: contents before sections ../lib/bitmap.c:606: warning: Function parameter or member 'buf' not described in 'bitmap_print_list_to_buf' ../lib/bitmap.c:606: warning: Function parameter or member 'maskp' not described in 'bitmap_print_list_to_buf' ../lib/bitmap.c:606: warning: Function parameter or member 'nmaskbits' not described in 'bitmap_print_list_to_buf' ../lib/bitmap.c:606: warning: Function parameter or member 'off' not described in 'bitmap_print_list_to_buf' ../lib/bitmap.c:606: warning: Function parameter or member 'count' not described in 'bitmap_print_list_to_buf' ../lib/bitmap.c:819: warning: missing initial short description on line: * bitmap_parselist_user() This still leaves 15 warnings for function return values not described, similar to this one: bitmap.c:890: warning: No description found for return value of 'bitmap_parse' Link: https://lkml.kernel.org/r/20220306065823.5153-1-rdunlap@xxxxxxxxxxxxx Fixes: 1fae562983ca ("cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list") Fixes: 4b060420a596 ("bitmap, irq: add smp_affinity_list interface to /proc/irq") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Yury Norov <yury.norov@xxxxxxxxx> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> Cc: Tian Tao <tiantao6@xxxxxxxxxxxxx> Cc: Mike Travis <mike.travis@xxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/bitmap.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) --- a/lib/bitmap.c~lib-bitmap-fix-many-kernel-doc-warnings +++ a/lib/bitmap.c @@ -492,6 +492,11 @@ EXPORT_SYMBOL(bitmap_print_to_pagebuf); * @list: indicates whether the bitmap must be list * true: print in decimal list format * false: print in hexadecimal bitmask format + * @buf: buffer into which string is placed + * @maskp: pointer to bitmap to convert + * @nmaskbits: size of bitmap, in bits + * @off: in the string from which we are copying, We copy to @buf + * @count: the maximum number of bytes to print */ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp, int nmaskbits, loff_t off, size_t count) @@ -512,6 +517,11 @@ static int bitmap_print_to_buf(bool list /** * bitmap_print_bitmask_to_buf - convert bitmap to hex bitmask format ASCII string + * @buf: buffer into which string is placed + * @maskp: pointer to bitmap to convert + * @nmaskbits: size of bitmap, in bits + * @off: in the string from which we are copying, We copy to @buf + * @count: the maximum number of bytes to print * * The bitmap_print_to_pagebuf() is used indirectly via its cpumap wrapper * cpumap_print_to_pagebuf() or directly by drivers to export hexadecimal @@ -553,12 +563,6 @@ static int bitmap_print_to_buf(bool list * move to use bin_attribute. In result, we have to pass the corresponding * parameters such as off, count from bin_attribute show entry to this API. * - * @buf: buffer into which string is placed - * @maskp: pointer to bitmap to convert - * @nmaskbits: size of bitmap, in bits - * @off: in the string from which we are copying, We copy to @buf - * @count: the maximum number of bytes to print - * * The role of cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf() * is similar with cpumap_print_to_pagebuf(), the difference is that * bitmap_print_to_pagebuf() mainly serves sysfs attribute with the assumption @@ -597,6 +601,11 @@ EXPORT_SYMBOL(bitmap_print_bitmask_to_bu /** * bitmap_print_list_to_buf - convert bitmap to decimal list format ASCII string + * @buf: buffer into which string is placed + * @maskp: pointer to bitmap to convert + * @nmaskbits: size of bitmap, in bits + * @off: in the string from which we are copying, We copy to @buf + * @count: the maximum number of bytes to print * * Everything is same with the above bitmap_print_bitmask_to_buf() except * the print format. @@ -807,7 +816,8 @@ EXPORT_SYMBOL(bitmap_parselist); /** - * bitmap_parselist_user() + * bitmap_parselist_user() - convert user buffer's list format ASCII + * string to bitmap * * @ubuf: pointer to user buffer containing string. * @ulen: buffer size in bytes. If string is smaller than this _