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(parent: a2ba515) | patch
rfkill: Fix incorrect check to avoid NULL pointer dereference
authorAditya Pakki <pakki001@umn.edu>
Sun, 15 Dec 2019 15:34:08 +0000 (09:34 -0600)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 16 Dec 2019 09:15:49 +0000 (10:15 +0100)
commit04d5440037689c4a0342ad3cfbf11d1f5cc0c39a
treebd8372886f47dbe86bd837f5ad794d2d545544f2tree | snapshot
parenta2ba515fdcbf78aa1228371c5656ce43fe77e2d7commit | diff
rfkill: Fix incorrect check to avoid NULL pointer dereference

In rfkill_register, the struct rfkill pointer is first derefernced
and then checked for NULL. This patch removes the BUG_ON and returns
an error to the caller in case rfkill is NULL.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Link: https://lore.kernel.org/r/20191215153409.21696-1-pakki001@umn.edu
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/rfkill/core.c diff | blob | history
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