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Staging: media: lirc: Merge two lines and remove unused variable

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This patch merges an assignment with an immediately following return of
the assigned variable. It also removes a variable that becomes unused due to this transformation.
The following Coccinelle semantic patch was used to make this transformation:

@r@
identifier ret;
identifier f;
@@

-ret =
+return
     f(...);
-return ret;

@@
identifier r.ret;
expression e1;
type t;
@@

(
-t ret = e1;
|
-t ret;
)
 ... when != ret
     when strict

Signed-off-by: Mahati Chamarthy <mahati.chamarthy@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mahati Chamarthy 2014-09-23 21:24:47 +05:30 committed by Greg Kroah-Hartman
parent 707505b58e
commit a579c97823
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/media/lirc/lirc_bt829.c
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@ -387,11 +387,9 @@ static unsigned char do_get_bits(void)
static unsigned int read_index(unsigned char index)
{
unsigned char __iomem *addr;
unsigned int value;
/* addr = pci_addr_lin + DATA_PCI_OFF + ((index & 0xFF) << 2); */
addr = pci_addr_lin + ((index & 0xFF) << 2);
value = readl(addr);
return value;
return readl(addr);
}
static void write_index(unsigned char index, unsigned int reg_val)