libertas: potential oops in debugfs

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If we do a zero size allocation then it will oops.  Also we can't be
sure the user passes us a NUL terminated string so I've added a
terminator.

This code can only be triggered by root.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

...

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Dan Carpenter 2013-10-30 20:12:51 +03:00 • committed by John W. Linville

parent 450991fd2f

commit a497e47d4a

1 changed files with 5 additions and 1 deletions

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6

drivers/net/wireless/libertas/debugfs.c

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