tree e23b98863509b0b0cb9d1223703a97b9a4c0f167
parent 0134f725b7d254ddbc3cc6dd72399edea832559c
author Tobias Klauser <tklauser@distanz.ch> 1449734374 +0100
committer Herbert Xu <herbert@gondor.apana.org.au> 1465214124 +0800

jobs: Don't attempt to access job table for job %0

If job %0 is (mistakenly) specified, an out-of-bounds access to the
jobtab occurs in function getjob() if num = 0:

	jp = jobtab + 0 - 1

Fix this by checking that the job number is larger than 0 before
accessing the jobtab.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>