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[media] v4l: rcar_fdp1: use %4.4s to format a 4-byte string
Using %4s to format f->fmt.pix_mp.pixelformat in fdp1_try_fmt() and fdp1_s_fmt() may lead to more characters being printed (when the byte following field pixelformat is not zero). Add ".4" to the format specifier to limit the number of printed characters to four. The resulting format specifier "%4.4s" is also used by other media drivers to print pixelformat value. Signed-off-by: Nicolas Iooss <[email protected]> Reviewed-by: Kieran Bingham <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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