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staging: dgnc: delete successive assignments to the same location 

Successive assignments to the same location is meaningless and can be
deleted. The Coccinelle semantic patch was used to find cases.

@@
expression e1,e2,e3;
@@

(
 (<+...e1++...+>)=e2;
|
 (<+...e1--...+>)=e2;
|
 (<+...++e1...+>)=e2;
|
 (<+...--e1...+>)=e2;
|
e1=e2;
e1 = <+...e1...+>;
|
*e1=e2;
*e1=e3;
)

Signed-off-by: Jiayi Ye <yejiayily@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiayi Ye 2014-10-25 20:04:17 +08:00 committed by Greg Kroah-Hartman
parent f474f5e535
commit 308c32f9e8
1 changed files with 0 additions and 2 deletions
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2
drivers/staging/dgnc/dgnc_tty.c
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@ -2205,8 +2205,6 @@ static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, uns
if (!bd || bd->magic != DGNC_BOARD_MAGIC) if (!bd || bd->magic != DGNC_BOARD_MAGIC)
return ret; return ret;
ret = 0;
ret = get_user(arg, value); ret = get_user(arg, value);
if (ret) if (ret)
return ret; return ret;