davidlt/kernel-ark
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

firmware: tegra: adjust tested variable

Browse Source 
Check the variable that was most recently initialized.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x, y, f, g, e, m;
statement S1,S2,S3,S4;
@@

x = f(...);
if (\(<+...x...+>\&e\)) S1 else S2
(
x = g(...);
|
m = g(...,&x,...);
|
y = g(...);
*if (e)
 S3 else S4
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Julia Lawall 2018-01-27 15:28:28 +01:00 committed by Thierry Reding
parent 1abb081e41
commit 1320f76897
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/firmware/tegra/bpmp.c
View File

@ -694,7 +694,7 @@ static int tegra_bpmp_probe(struct platform_device *pdev)
}
bpmp->rx.virt = gen_pool_dma_alloc(bpmp->rx.pool, 4096, &bpmp->rx.phys);
if (!bpmp->rx.pool) {
if (!bpmp->rx.virt) {
dev_err(&pdev->dev, "failed to allocate from RX pool\n");
err = -ENOMEM;
goto free_tx;