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Date: Thu, 30 Aug 2012 19:26:22 +0200 From: Sebastian Andrzej Siewior <bigeasy@...utronix.de> To: ananth@...ibm.com Cc: x86@...nel.org, linux-kernel@...r.kernel.org, srikar@...ux.vnet.ibm.com, oleg@...hat.com, Sebastian Andrzej Siewior <bigeasy@...utronix.de> Subject: [PATCH] uprobes: don't put NULL pointer in uprobe_register() alloc_uprobe() might return a NULL pointer, put_uprobe() can't deal with this. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de> --- kernel/events/uprobes.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 7b3112c..30f3e23 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -897,7 +897,8 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer * } mutex_unlock(uprobes_hash(inode)); - put_uprobe(uprobe); + if (uprobe) + put_uprobe(uprobe); return ret; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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