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b43: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 08:47:10 +0000 (09:47 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Thu, 12 Mar 2020 13:43:37 +0000 (15:43 +0200)
commit68b02e0c512b3cd8dc18877d5fbe259687bccaec
tree81f4985e977600ef6a81017a61c29826bf51f324tree | snapshot
parent5cb5b4759cf6febe49bf23b7a0f362ac37e21b01commit | diff
b43: Use scnprintf() for avoiding potential buffer overflow

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().

Cc: b43-dev@lists.infradead.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/broadcom/b43/debugfs.c diff | blob | history
Domain: System / Kernel;