[PATCH v2 10/10] staging: rtl8192u: use %*pEn to escape buffer

[Andy Shevchenko]

Let's use kernel's native specifier to escape a buffer.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211.h | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h 
b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 1040bab..1a265f9 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -2576,25 +2576,13 @@ static inline int ieee80211_get_scans(struct 
ieee80211_device *ieee)
 
 static inline const char *escape_essid(const char *essid, u8 essid_len) {
        static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
-       const char *s = essid;
-       char *d = escaped;
 
        if (ieee80211_is_empty_essid(essid, essid_len)) {
                memcpy(escaped, "<hidden>", sizeof("<hidden>"));
                return escaped;
        }
 
-       essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
-       while (essid_len--) {
-               if (*s == '\0') {
-                       *d++ = '\\';
-                       *d++ = '0';
-                       s++;
-               } else {
-                       *d++ = *s++;
-               }
-       }
-       *d = '\0';
+       snprintf(escaped, sizeof(escaped), "%*pEn", essid_len, essid);
        return escaped;
 }
 
-- 
2.0.1

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