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Revert "isdn: mISDN: Fix potential NULL pointer dereference of kzalloc"

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[ Upstream commit 36a2c87f7ed9e305d05b9a5c044cc6c494771504 ]

This reverts commit 38d2265980.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, this commit was found to be incorrect for the reasons
below, so it must be reverted.  It will be fixed up "correctly" in a
later kernel change.

While it looks like the original change is correct, it is not, as none
of the setup actually happens, and the error value is not propagated
upwards.

Cc: Aditya Pakki <[email protected]>
Cc: David S. Miller <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2021-05-03 13:57:13 +02:00
commit 6b8872d497
1 changed files with 0 additions and 3 deletions
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3
drivers/isdn/hardware/mISDN/hfcsusb.c
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@ -249,9 +249,6 @@ hfcsusb_ph_info(struct hfcsusb *hw)
int i;
phi = kzalloc(struct_size(phi, bch, dch->dev.nrbchan), GFP_ATOMIC);
if (!phi)
return;
phi->dch.ch.protocol = hw->protocol;
phi->dch.ch.Flags = dch->Flags;
phi->dch.state = dch->state;