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H A Daat2870-core.cdiff c2b5fdfba2a915b5001d3ec63f4b3fc651c22da4 Wed Mar 11 02:47:38 CDT 2020 Takashi Iwai <tiwai@suse.de> mfd: aat2870: Use scnprintf() for avoiding potential buffer overflow

There is still one call of sprintf() without checking the proper
buffer overflow in aat2870_dump_reg(). Replace it with scnprintf()
call for covering that.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>