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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-10-14 10:32:24 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-16 18:05:36 +0300 |
| commit | 6b2bed891253c08e7f4c17dbd46b71fc87f22eef (patch) | |
| tree | 84f9ebc73aea14152802d5992a5afb147c6332a7 /drivers/media/platform | |
| parent | eadf081146ec327d6fbbb6aff28e3d9aac329dc6 (diff) | |
| download | linux-6b2bed891253c08e7f4c17dbd46b71fc87f22eef.tar.xz | |
[media] st-hva: fix some error handling in hva_hw_probe()
The devm_ioremap_resource() returns error pointers, never NULL. The
platform_get_resource() returns NULL on error, never error pointers.
The error code needs to be set, as well. The current code returns
PTR_ERR(NULL) which is success.
Fixes: 57b2c0628b60 ("[media] st-hva: multi-format video encoder V4L2 driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jean-Christophe Trotin <jean-christophe.trotin@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/sti/hva/hva-hw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/platform/sti/hva/hva-hw.c b/drivers/media/platform/sti/hva/hva-hw.c index d341d4994528..cf2a8d884536 100644 --- a/drivers/media/platform/sti/hva/hva-hw.c +++ b/drivers/media/platform/sti/hva/hva-hw.c @@ -305,16 +305,16 @@ int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva) /* get memory for registers */ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); hva->regs = devm_ioremap_resource(dev, regs); - if (IS_ERR_OR_NULL(hva->regs)) { + if (IS_ERR(hva->regs)) { dev_err(dev, "%s failed to get regs\n", HVA_PREFIX); return PTR_ERR(hva->regs); } /* get memory for esram */ esram = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (IS_ERR_OR_NULL(esram)) { + if (!esram) { dev_err(dev, "%s failed to get esram\n", HVA_PREFIX); - return PTR_ERR(esram); + return -ENODEV; } hva->esram_addr = esram->start; hva->esram_size = resource_size(esram); |