[PATCH] lib, net: make isodigit public and use it

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

There are at least two users of isodigit. Let's make it a public function of
ctype.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/ctype.h | 6 ++++++
 lib/dynamic_debug.c   | 1 -
 net/sunrpc/cache.c    | 1 -
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index 8acfe31..653589e 100644
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -61,4 +61,10 @@ static inline char _tolower(const char c)
 	return c | 0x20;
 }
 
+/* Fast check for octal digit */
+static inline int isodigit(const char c)
+{
+	return c >= '0' && c <= '7';
+}
+
 #endif
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 5276b99..4603245 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -281,7 +281,6 @@ static inline int parse_lineno(const char *str, unsigned int *val)
  * allow the user to express a query which matches a format
  * containing embedded spaces.
  */
-#define isodigit(c)		((c) >= '0' && (c) <= '7')
 static char *unescape(char *str)
 {
 	char *in = str;
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 05ea9ac..80fe5c8 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1210,7 +1210,6 @@ EXPORT_SYMBOL_GPL(sunrpc_cache_pipe_upcall);
  * key and content are both parsed by cache
  */
 
-#define isodigit(c) (isdigit(c) && c <= '7')
 int qword_get(char **bpp, char *dest, int bufsize)
 {
 	/* return bytes copied, or -1 on error */
-- 
1.8.2.rc0.22.gb3600c3