From 471452104b8520337ae2fb48c4e61cd4896e025d Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 14 Dec 2009 18:00:08 -0800 Subject: const: constify remaining dev_pm_ops Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/pxafb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/video/pxafb.c') diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index f58a3aae6ea6..b7e58059b592 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1667,7 +1667,7 @@ static int pxafb_resume(struct device *dev) return 0; } -static struct dev_pm_ops pxafb_pm_ops = { +static const struct dev_pm_ops pxafb_pm_ops = { .suspend = pxafb_suspend, .resume = pxafb_resume, }; -- cgit v1.2.3 From d2a34c13e7ccec5d06eafd60e6f80ea531b34668 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Tue, 15 Dec 2009 16:46:26 -0800 Subject: drivers/video: Move dereference after NULL test If the NULL test on fbi is needed, then the dereference should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // Signed-off-by: Julia Lawall Cc: Krzysztof Helt Cc: Eric Miao Cc: Daniel Mack Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/pxafb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/video/pxafb.c') diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index b7e58059b592..415858b421b3 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1221,13 +1221,14 @@ static void setup_smart_timing(struct pxafb_info *fbi, static int pxafb_smart_thread(void *arg) { struct pxafb_info *fbi = arg; - struct pxafb_mach_info *inf = fbi->dev->platform_data; + struct pxafb_mach_info *inf; - if (!fbi || !inf->smart_update) { + if (!fbi || !fbi->dev->platform_data->smart_update) { pr_err("%s: not properly initialized, thread terminated\n", __func__); return -EINVAL; } + inf = fbi->dev->platform_data; pr_debug("%s(): task starting\n", __func__); -- cgit v1.2.3 From da2c3f0ead336c04b4d1ad36ff42d8d264f44f65 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Sat, 26 Dec 2009 16:25:18 +0800 Subject: [ARM] pxafb: fix building issue of incorrect reference Commit "d2a34c1 drivers/video: Move dereference after NULL test" introduced a build error of "fbi->dev->platform_data->smart_update" being unknown type to the compiler, fix this by removing the unnecessary test of 'fbi'. Cc: Julia Lawall Signed-off-by: Eric Miao --- drivers/video/pxafb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/video/pxafb.c') diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 415858b421b3..825b665245bb 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1221,9 +1221,9 @@ static void setup_smart_timing(struct pxafb_info *fbi, static int pxafb_smart_thread(void *arg) { struct pxafb_info *fbi = arg; - struct pxafb_mach_info *inf; + struct pxafb_mach_info *inf = fbi->dev->platform_data; - if (!fbi || !fbi->dev->platform_data->smart_update) { + if (!inf->smart_update) { pr_err("%s: not properly initialized, thread terminated\n", __func__); return -EINVAL; -- cgit v1.2.3