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media: cx25821: Fix a resource leak in cx25821_dev_setup()

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Add release_mem_region() if ioremap() fails to release the memory
region obtained by cx25821_get_resources().

Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Haoxiang Li 2026-01-03 15:46:47 +08:00 committed by Hans Verkuil
parent 597f8851c9
commit 68cd8ac994
1 changed files with 1 additions and 0 deletions
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1
drivers/media/pci/cx25821/cx25821-core.c
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@ -908,6 +908,7 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
if (!dev->lmmio) {
CX25821_ERR("ioremap failed, maybe increasing __VMALLOC_RESERVE in page.h\n");
release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0));
cx25821_iounmap(dev);
return -ENOMEM;
}