On Wed, 11 Jan 2023 12:05:03 +0300 Esina Ekaterina wrote:
> Subject: [PATCH v3] net: wan: Add checks for NULL for utdm in
> undo_uhdlc_init and unmap_si_regs
net: wan: prevent null-deref on error path for non-tdm case
> If uhdlc_priv_tsa != 1 then utdm is not initialized.
> And if ret !=
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 Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Esina Ekaterina
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v3: Remove braces
v2: Add check