diff mbox series

[09/14] pci/ivtv: release memory regions on error

Message ID 20210120094306.784318-10-hverkuil-cisco@xs4all.nl
State Accepted
Commit dd3bca72c4db353080e3de44124d45712d73b4f4
Headers show
Series Fixes for smatch/sparse/sysbot/compiler warnings | expand

Commit Message

Hans Verkuil Jan. 20, 2021, 9:43 a.m. UTC 
Fix this smatch warning:

drivers/media/pci/ivtv/ivtv-driver.c:900 ivtv_setup_pci() warn: 'itv->base_addr' not released on lines: 876.

One error path didn't release the memory regions.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
 drivers/media/pci/ivtv/ivtv-driver.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index 28acb14490d5..6e448cb3b51c 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -873,6 +873,11 @@  static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
 		pci_read_config_word(pdev, PCI_COMMAND, &cmd);
 		if (!(cmd & PCI_COMMAND_MASTER)) {
 			IVTV_ERR("Bus Mastering is not enabled\n");
+			if (itv->has_cx23415)
+				release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
+						   IVTV_DECODER_SIZE);
+			release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
+			release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
 			return -ENXIO;
 		}
 	}