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| author | Andrew Jeffery <andrew@codeconstruct.com.au> | 2025-06-16 22:43:39 +0930 |
|---|---|---|
| committer | Andrew Jeffery <andrew@codeconstruct.com.au> | 2025-07-02 11:05:20 +0930 |
| commit | 56448e78a6bb4e1a8528a0e2efe94eff0400c247 (patch) | |
| tree | ade9350d53cd0eb0dfa06d4b43f64f2b582d99b8 /scripts/lib/kdoc/kdoc_re.py | |
| parent | 8481d59be606d2338dbfe14b04cdbd1a3402c150 (diff) | |
soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled
Mitigate e.g. the following:
# echo 1e789080.lpc-snoop > /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind
...
[ 120.363594] Unable to handle kernel NULL pointer dereference at virtual address 00000004 when write
[ 120.373866] [00000004] *pgd=00000000
[ 120.377910] Internal error: Oops: 805 [#1] SMP ARM
[ 120.383306] CPU: 1 UID: 0 PID: 315 Comm: sh Not tainted 6.15.0-rc1-00009-g926217bc7d7d-dirty #20 NONE
...
[ 120.679543] Call trace:
[ 120.679559] misc_deregister from aspeed_lpc_snoop_remove+0x84/0xac
[ 120.692462] aspeed_lpc_snoop_remove from platform_remove+0x28/0x38
[ 120.700996] platform_remove from device_release_driver_internal+0x188/0x200
...
Fixes: 9f4f9ae81d0a ("drivers/misc: add Aspeed LPC snoop driver")
Cc: stable@vger.kernel.org
Cc: Jean Delvare <jdelvare@suse.de>
Acked-by: Jean Delvare <jdelvare@suse.de>
Link: https://patch.msgid.link/20250616-aspeed-lpc-snoop-fixes-v2-2-3cdd59c934d3@codeconstruct.com.au
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_re.py')
0 files changed, 0 insertions, 0 deletions