Files
linux/drivers/net/wan
Esina Ekaterina 95347e41ca net: wan: Add checks for NULL for utdm in undo_uhdlc_init and unmap_si_regs
[ Upstream commit 488e0bf7f3 ]

If uhdlc_priv_tsa != 1 then utdm is not initialized.
And if ret != NULL then goto undo_uhdlc_init, where
utdm is dereferenced. Same if dev == NULL.

Found by Astra Linux on behalf of Linux Verification Center
(linuxtesting.org) with SVACE.

Fixes: 8d68100ab4 ("soc/fsl/qe: fix err handling of ucc_of_parse_tdm")
Signed-off-by: Esina Ekaterina <eesina@astralinux.ru>
Link: https://lore.kernel.org/r/20230112074703.13558-1-eesina@astralinux.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-01 08:27:08 +01:00
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