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usb: dwc2: add printf attribute to cat_printf()
As cat_printf() uses printf format strings in its parameters, adding __printf attribute allows the compiler to detect at compile-time some errors related to format strings (with -Wformat warning flag). Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -367,7 +367,8 @@ static void pmap_unschedule(unsigned long *map, int bits_per_period,
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* @fmt: The format for printf.
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* @...: The args for printf.
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*/
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static void cat_printf(char **buf, size_t *size, const char *fmt, ...)
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static __printf(3, 4)
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void cat_printf(char **buf, size_t *size, const char *fmt, ...)
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{
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va_list args;
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int i;
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