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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2016-01-15 16:59:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-16 11:17:30 -0800
commit5b17aecfcdd3dc82c237677f5efc9a44deeaa39e (patch)
tree65ce5228484a92bdc058e66dbff2324b5d63fbaa
parent3cab1e711297c4fbc526ca9b802ef61894c06545 (diff)
lib/vsprintf: factor out %pN[F] handler as netdev_bits()
Move switch case to the netdev_features_string() and rename it to netdev_bits(). In the future we can extend it as needed. Here we replace the fallback of %pN from '%p' with possible flags to sticter '0x%p' without any flags variation. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/vsprintf.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index b30203b00adf..48ff9c36644d 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1345,11 +1345,22 @@ char *uuid_string(char *buf, char *end, const u8 *addr,
return string(buf, end, uuid, spec);
}
-static
-char *netdev_feature_string(char *buf, char *end, const void *addr)
+static noinline_for_stack
+char *netdev_bits(char *buf, char *end, const void *addr, const char *fmt)
{
- unsigned long long num = *(const netdev_features_t *)addr;
- int size = sizeof(netdev_features_t);
+ unsigned long long num;
+ int size;
+
+ switch (fmt[1]) {
+ case 'F':
+ num = *(const netdev_features_t *)addr;
+ size = sizeof(netdev_features_t);
+ break;
+ default:
+ num = (unsigned long)addr;
+ size = sizeof(unsigned long);
+ break;
+ }
return special_hex_number(buf, end, num, size);
}
@@ -1621,11 +1632,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
break;
case 'N':
- switch (fmt[1]) {
- case 'F':
- return netdev_feature_string(buf, end, ptr);
- }
- break;
+ return netdev_bits(buf, end, ptr, fmt);
case 'a':
return address_val(buf, end, ptr, fmt);
case 'd':