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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2024-01-25 17:27:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-27 16:28:35 -0800 |
| commit | a54a594d72f25b08f39d743880a76721fba9ae77 (patch) | |
| tree | 6b7c64c97f8aa79f6a2753e374145a4ff22926ca /scripts/gdb/linux/modules.py | |
| parent | 9dc292413c56a2d01e34787d3fc4a76635e4a498 (diff) | |
xhci: fix possible null pointer dereference at secondary interrupter removal
Don't try to remove a secondary interrupter that is known to be invalid.
Also check if the interrupter is valid inside the spinlock that protects
the array of interrupters.
Found by smatch static checker
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-usb/ffaa0a1b-5984-4a1f-bfd3-9184630a97b9@moroto.mountain/
Fixes: c99b38c41234 ("xhci: add support to allocate several interrupters")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240125152737.2983959-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/gdb/linux/modules.py')
0 files changed, 0 insertions, 0 deletions