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author | John Thomson <git@johnthomson.fastmail.com.au> | 2024-06-30 08:45:47 +1000 |
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committer | Robert Marko <robimarko@gmail.com> | 2024-06-30 11:07:02 +0200 |
commit | 515ad3ce8a8fbb062d366a08b6d4e8ce04f7f8bb (patch) | |
tree | 7618ce56393c78e7304555fbec37244d988b5912 /target/linux/generic/pending-5.15/655-increase_skb_pad.patch | |
parent | 69d0ff58039fe865902d7fb8708c90a847a4a626 (diff) | |
download | openwrt-515ad3ce8a8fbb062d366a08b6d4e8ce04f7f8bb.tar.gz openwrt-515ad3ce8a8fbb062d366a08b6d4e8ce04f7f8bb.tar.bz2 openwrt-515ad3ce8a8fbb062d366a08b6d4e8ce04f7f8bb.zip |
ipq40xx: ipqess: do not free ipqess_init
If this function is marked as __init, kernel will splat when driver is
(re)bind
echo "c080000.ethernet">/sys/bus/platform/drivers/ipqess-edma/unbind
echo "c080000.ethernet">/sys/bus/platform/drivers/ipqess-edma/bind
Example with additional print messages, functions at boot:
[ 2.039468] ipqess-edma c080000.ethernet: ipqess_axi_probe pre register_netdev
[ 2.039530] ipqess-edma c080000.ethernet: *netdev: c27d2000
[ 2.045609] ipqess-edma c080000.ethernet: &ipqess_init: c0d1e28c
[ 2.051122] ipqess_init
[ 2.057338] netdev: c27d2000
[ 2.059492] ess = netdev_priv: c27d2500
[ 2.062615] ess->pdev: c2138c00
[ 2.066174] ess->pdev->dev: c2138c10
[ 2.069314] ess->pdev->dev.of_node: ef6f6368
[ 2.073120] ess->pdev->dev.of_node: /soc/ethernet@c080000
fails (bind) after unbind:
[ 34.987948] ipqess-edma c080000.ethernet: ipqess_axi_probe pre register_netdev
[ 34.988012] ipqess-edma c080000.ethernet: *netdev: c27d6000
[ 34.994088] ipqess-edma c080000.ethernet: &ipqess_init: c0d1e28c
[ 34.999652] 8<--- cut here ---
[ 35.005802] Unable to handle kernel paging request at virtual address c0d1e28c when execute
[ 35.008676] [c0d1e28c] *pgd=80c1941e(bad)
[ 35.016918] Internal error: Oops: 8000000d [#1] SMP ARM
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
Link: https://github.com/openwrt/openwrt/pull/15831
Signed-off-by: Robert Marko <robimarko@gmail.com>
Diffstat (limited to 'target/linux/generic/pending-5.15/655-increase_skb_pad.patch')
0 files changed, 0 insertions, 0 deletions