iio: core: Use scnprintf() for avoiding potential buffer overflow

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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit.  Fix it by replacing with scnprintf().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Takashi Iwai 2020-03-11 08:43:24 +01:00 • committed by Jonathan Cameron

parent 2dbbe4d513

commit 35a4eeb055

1 changed files with 17 additions and 17 deletions

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drivers/iio/industrialio-core.c

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