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usb: gadget: s3c2410_udc: don't use pr_debug return value

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pr_debug() may be defined as "do { } while (0)" in some configurations,
which means one cannot rely on the return value to be available.

In the dprintk function in this driver, we can work around the
resulting build error trivially by returning the length that
this function already knows and ignoring the return value of
pr_debug.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Arnd Bergmann 2014-05-08 15:52:14 +02:00 committed by Felipe Balbi
parent 966036fde6
commit 64890edb85
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/gadget/s3c2410_udc.c
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@ -117,7 +117,8 @@ static int dprintk(int level, const char *fmt, ...)
sizeof(printk_buf)-len, fmt, args);
va_end(args);
return pr_debug("%s", printk_buf);
pr_debug("%s", printk_buf);
return len;
}
#else
static int dprintk(int level, const char *fmt, ...)