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authorJulia Lawall <julia@diku.dk>2008-12-21 18:41:36 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-25 02:20:28 +0300
commit00185a60c37549531b9eee562d3eba19020875d5 (patch)
tree1828b245fc183008f8e48838fdf0025ac11ffda0 /drivers/usb/gadget/pxa27x_udc.c
parentdb5e6df172309c382982790aafa8cd87dc0b6292 (diff)
downloadlinux-00185a60c37549531b9eee562d3eba19020875d5.tar.xz
USB: Remove redundant test in pxa27x_udc and ftdi_sio
priv is checked not to be NULL near the beginning of the function and not changed subsequently, making the test redundant. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/pxa27x_udc.c')
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index e50419d08996..91ba1e939475 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -279,7 +279,7 @@ static void pxa_init_debugfs(struct pxa_udc *udc)
goto err_queues;
eps = debugfs_create_file("epstate", 0400, root, udc,
&eps_dbg_fops);
- if (!queues)
+ if (!eps)
goto err_eps;
udc->debugfs_root = root;