i40e: 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>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Takashi Iwai 2020-03-11 09:37:40 +01:00 • committed by Jeff Kirsher

parent 394f9ebf92

commit c28481a88c

1 changed files with 12 additions and 12 deletions

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drivers/net/ethernet/intel/i40e/i40e_main.c

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