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authorJakub Kicinski <kuba@kernel.org>2024-11-14 11:27:36 -0800
committerJakub Kicinski <kuba@kernel.org>2024-11-14 11:29:15 -0800
commita79993b5fce69e97f900bb975f6127e25cebf130 (patch)
treef73ec541ca4183893a0bdc3d30f779c6999a0d9a /drivers/media/dvb-core/dvbdev.c
parent3d12862b216d39670500f6bd44b8be312b2ee4fb (diff)
parentcfaaa7d010d1fc58f9717fcc8591201e741d2d49 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.12-rc8). Conflicts: tools/testing/selftests/net/.gitignore 252e01e68241 ("selftests: net: add netlink-dumps to .gitignore") be43a6b23829 ("selftests: ncdevmem: Move ncdevmem under drivers/net/hw") https://lore.kernel.org/all/20241113122359.1b95180a@canb.auug.org.au/ drivers/net/phy/phylink.c 671154f174e0 ("net: phylink: ensure PHY momentary link-fails are handled") 7530ea26c810 ("net: phylink: remove "using_mac_select_pcs"") Adjacent changes: drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c 5b366eae7193 ("stmmac: dwmac-intel-plat: fix call balance of tx_clk handling routines") e96321fad3ad ("net: ethernet: Switch back to struct platform_driver::remove()") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/media/dvb-core/dvbdev.c')
-rw-r--r--drivers/media/dvb-core/dvbdev.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index b43695bc51e7..9df7c213716a 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -86,10 +86,15 @@ static DECLARE_RWSEM(minor_rwsem);
static int dvb_device_open(struct inode *inode, struct file *file)
{
struct dvb_device *dvbdev;
+ unsigned int minor = iminor(inode);
+
+ if (minor >= MAX_DVB_MINORS)
+ return -ENODEV;
mutex_lock(&dvbdev_mutex);
down_read(&minor_rwsem);
- dvbdev = dvb_minors[iminor(inode)];
+
+ dvbdev = dvb_minors[minor];
if (dvbdev && dvbdev->fops) {
int err = 0;
@@ -525,7 +530,10 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
for (minor = 0; minor < MAX_DVB_MINORS; minor++)
if (!dvb_minors[minor])
break;
- if (minor == MAX_DVB_MINORS) {
+#else
+ minor = nums2minor(adap->num, type, id);
+#endif
+ if (minor >= MAX_DVB_MINORS) {
if (new_node) {
list_del(&new_node->list_head);
kfree(dvbdevfops);
@@ -538,9 +546,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
mutex_unlock(&dvbdev_register_lock);
return -EINVAL;
}
-#else
- minor = nums2minor(adap->num, type, id);
-#endif
+
dvbdev->minor = minor;
dvb_minors[minor] = dvb_device_get(dvbdev);
up_write(&minor_rwsem);