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applicom.c: fix apparently-broken code in do_ac_read()

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The code scriblles over a local pointer whereas it appears to be trying
to write to the memory at which that pointer points.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11397

Nobody we know can test this change.

Reported-by: Zvonimir Rakamaric <zrakamar@cs.ubc.ca>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2008-10-15 22:04:18 -07:00 committed by Linus Torvalds
parent d05abab9a4
commit bc20589bf1
1 changed files with 1 additions and 1 deletions
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2
drivers/char/applicom.c
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@ -478,7 +478,7 @@ static int do_ac_read(int IndexCard, char __user *buf,
struct st_ram_io *st_loc, struct mailbox *mailbox)
{
void __iomem *from = apbs[IndexCard].RamIO + RAM_TO_PC;
unsigned char *to = (unsigned char *)&mailbox;
unsigned char *to = (unsigned char *)mailbox;
#ifdef DEBUG
int c;
#endif