From: Julia Lawall <julia@diku.dk> To: kyle@mcmartin.ca, deller@gmx.de, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH 5/12] drivers/parisc: Correct redundant test Date: Mon, 27 Jul 2009 18:13:48 +0200 (CEST) [thread overview] Message-ID: <Pine.LNX.4.64.0907271813310.2682@ask.diku.dk> (raw) From: Julia Lawall <julia@diku.dk> pa_pdc_cell has already been tested. It seems that this test should be on the recently returned value io_pdc_cell. A simplified version of the semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; @@ if (x == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( *x == NULL | *x != NULL ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> --- drivers/parisc/lba_pci.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index ede6146..3aeb327 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -992,7 +992,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) return; io_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL); - if (!pa_pdc_cell) { + if (!io_pdc_cell) { kfree(pa_pdc_cell); return; }
WARNING: multiple messages have this Message-ID (diff)
From: Julia Lawall <julia@diku.dk> To: kyle@mcmartin.ca, deller@gmx.de, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH 5/12] drivers/parisc: Correct redundant test Date: Mon, 27 Jul 2009 16:13:48 +0000 [thread overview] Message-ID: <Pine.LNX.4.64.0907271813310.2682@ask.diku.dk> (raw) From: Julia Lawall <julia@diku.dk> pa_pdc_cell has already been tested. It seems that this test should be on the recently returned value io_pdc_cell. A simplified version of the semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; @@ if (x = NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( *x = NULL | *x != NULL ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> --- drivers/parisc/lba_pci.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index ede6146..3aeb327 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -992,7 +992,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) return; io_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL); - if (!pa_pdc_cell) { + if (!io_pdc_cell) { kfree(pa_pdc_cell); return; }
next reply other threads:[~2009-07-27 16:13 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-07-27 16:13 Julia Lawall [this message] 2009-07-27 16:13 ` [PATCH 5/12] drivers/parisc: Correct redundant test Julia Lawall 2009-08-03 20:33 ` Grant Grundler 2009-08-03 20:33 ` Grant Grundler 2009-08-04 2:27 ` Kyle McMartin 2009-08-04 2:27 ` Kyle McMartin
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