staging: pi433: fix potential null dereference

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Add a test for successful call to cdev_alloc() to avoid
potential null dereference. Issue reported by smatch.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Fixes: 874bcba65f ("staging: pi433: New driver")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Michael Straube 2018-11-25 10:22:25 +01:00 • committed by Greg Kroah-Hartman

parent 2a68ead3de

commit 64c4c4ca6c

1 changed files with 4 additions and 0 deletions

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drivers/staging/pi433/pi433_if.c

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