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mirror_ubuntu-kernels/drivers/net/wireless/silabs
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Dan Carpenter f97c81f5b7 wifi: wfx: prevent underflow in wfx_send_pds() 
This does a "chunk_len - 4" subtraction later when it calls:

	ret = wfx_hif_configuration(wdev, buf + 4, chunk_len - 4);

so check for "chunk_len" is less than 4.

Fixes: dcbecb4979 ("staging: wfx: allow new PDS format")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/Yv8eX7Xv2ubUOvW7@kili
2022-09-02 11:44:35 +03:00
..
wfx wifi: wfx: prevent underflow in wfx_send_pds() 2022-09-02 11:44:35 +03:00
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