diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-03-11 12:57:22 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-23 14:28:21 (GMT) |
| commit | b279265cfd677b618f2aee8089073a3e4632d85b (patch) | |
| tree | 0a45a9361b8dce315ca5db458afc56c7b4db6ff9 /drivers/staging/media/davinci_vpfe | |
| parent | 9719afae5e589b409e137c36f89073d134f0de33 (diff) | |
| download | linux-fsl-qoriq-b279265cfd677b618f2aee8089073a3e4632d85b.tar.xz | |
[media] davinci: vpfe: fix return value check in vpfe_enable_clock()
In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media/davinci_vpfe')
| -rw-r--r-- | drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c index c7ae7d7..b88e1dd 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c @@ -243,7 +243,7 @@ static int vpfe_enable_clock(struct vpfe_device *vpfe_dev) vpfe_dev->clks[i] = clk_get(vpfe_dev->pdev, vpfe_cfg->clocks[i]); - if (vpfe_dev->clks[i] == NULL) { + if (IS_ERR(vpfe_dev->clks[i])) { v4l2_err(vpfe_dev->pdev->driver, "Failed to get clock %s\n", vpfe_cfg->clocks[i]); @@ -264,7 +264,7 @@ static int vpfe_enable_clock(struct vpfe_device *vpfe_dev) return 0; out: for (i = 0; i < vpfe_cfg->num_clocks; i++) - if (vpfe_dev->clks[i]) { + if (!IS_ERR(vpfe_dev->clks[i])) { clk_disable_unprepare(vpfe_dev->clks[i]); clk_put(vpfe_dev->clks[i]); } |