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i2c/i2c-pasemi.c: Fix unsigned return type

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The function has an unsigned return type, but returns a negative constant
to indicate an error condition.  The result of calling the function is
always stored in a variable of type (signed) int, and thus unsigned can be
dropped from the return type.

A sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@exists@
identifier f;
constant C;
@@

 unsigned f(...)
 { <+...
*  return -C;
 ...+> }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Julia Lawall 2010-09-05 09:00:22 +00:00 committed by Benjamin Herrenschmidt
parent a655237fa2
commit 8032214346
1 changed files with 1 additions and 1 deletions
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drivers/i2c/busses/i2c-pasemi.c
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@ -88,7 +88,7 @@ static void pasemi_smb_clear(struct pasemi_smbus *smbus)
reg_write(smbus, REG_SMSTA, status);
}
static unsigned int pasemi_smb_waitready(struct pasemi_smbus *smbus)
static int pasemi_smb_waitready(struct pasemi_smbus *smbus)
{
int timeout = 10;
unsigned int status;