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staging: rtl8192u: use %*pEn to escape buffer

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "John W . Linville" <linville@tuxdriver.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Shevchenko 2014-10-13 15:55:33 -07:00 committed by Linus Torvalds
parent 50d5e53ddf
commit 8a1db92830
1 changed files with 1 additions and 13 deletions
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14
drivers/staging/rtl8192u/ieee80211/ieee80211.h
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@ -2593,25 +2593,13 @@ 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;
}