Jigar Agrawal 5992dd4885 msm: camera: common: Fix NULL pointer dereference
Set the debugfs root entry pointer to null after
recursive remove at unbinding to prevent null pointer
dereference by kernel followed by kernel panic. Also,
add checks to avoid null pointer dereference.

CRs-Fixed: 2920490
Change-Id: I5a4f44f3d8f533f3a51e108472d5ccf93c261a98
Signed-off-by: Jigar Agrawal <jigar@codeaurora.org>
2021-04-19 11:25:07 -07:00
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