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sparse was warning about incorrect type of argument:
drivers/staging/i4l/icn/icn.c:1048:49: warning: incorrect type in argument 2 (different address spaces)
drivers/staging/i4l/icn/icn.c:1048:49: expected void const [noderef] <asn:1>*from
drivers/staging/i4l/icn/icn.c:1048:49: got unsigned char const [usertype] *buf
drivers/staging/i4l/icn/icn.c:1476:38: warning: incorrect type in argument 1 (different address spaces)
drivers/staging/i4l/icn/icn.c:1476:38: expected unsigned char const [usertype] *buf
drivers/staging/i4l/icn/icn.c:1476:38: got unsigned char const [noderef] [usertype] <asn:1>*buf
The function icn_writecmd() was used to copy from userspace and also
from the kernelspace. Add another argument to the function to have two
separate pointers, one for the userspace and one for the kernelspace.
Based on the value of user as passed from the caller we use one of
the two pointers.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Blank lines are not needed after starting brace or before a closing
brace.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need provide a space after a typecast.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Its better to use memdup_user which does the same thing which this
code has implemented. Also removed a related warning as we will be
warned if allocation fails.
Suggested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Braces are not required in a single statement block.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It is not the kernel coding style to make assignments in the if
statement and checkpatch was warning us about it.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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return is not a function so no need to use the parenthesis.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use setup_timer() instead of init_timer(), being the preferred/standard
way to set a timer up.
Also, quoting the mod_timer() function comment:
-> mod_timer() is a more efficient way to update the expire field of an
active timer (if the timer is inactive it will be activated).
Use setup_timer and mod_timer to setup and arm a timer, to make the code
cleaner and easier to read.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The icn, act2000 and pcbit drivers are all for very old hardware,
and it is highly unlikely that anyone is actually still using them
on modern kernels, if at all.
All three drivers apparently are for hardware that predates PCI
being the common connector, as they are ISA-only and active
PCI ISDN cards were widely available in the 1990s.
Looking through the git logs, it I cannot find any indication of a
patch to any of these drivers that has been tested on real hardware,
only cleanups or global API changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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