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(parent: b51aa1c) | patch
x86/irq: Do not dereference irq descriptor before checking it
authorThomas Gleixner <tglx@linutronix.de>
Fri, 28 Aug 2015 08:30:15 +0000 (10:30 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 28 Aug 2015 08:30:15 +0000 (10:30 +0200)
commita47d4576cd1c58157a2d8cfffa93aa7ca375eede
treece12e2951db7b593bc6b9621107758fa0791d5fftree | snapshot
parentb51aa1cc7807f4dff7b70a762aa6d8814976d706commit | diff
x86/irq: Do not dereference irq descriptor before checking it

Having the IS_NULL_OR_ERR() check after dereferencing the pointer is
not really working well.

Move the dereference after the check.

Fixes: a782a7e46bb5 'x86/irq: Store irq descriptor in vector array'
Reported-and-tested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/irq_32.c diff | blob | history
Linux kernel for KaRo TX COM modules