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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2012-08-30 19:26:22 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-10-29 11:23:38 +0100 |
| commit | ad4adee6c3ad69df8ee28e362089545ae154b3f3 (patch) | |
| tree | 0b0f28797ba5e3c3dec168235663348b7a54d61f /kernel | |
| parent | 4d6ee32371c4b0123d445210ed50f52ced14f996 (diff) | |
| download | kernel-uprobes-ad4adee6c3ad69df8ee28e362089545ae154b3f3.tar.gz kernel-uprobes-ad4adee6c3ad69df8ee28e362089545ae154b3f3.tar.xz kernel-uprobes-ad4adee6c3ad69df8ee28e362089545ae154b3f3.zip | |
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@linutronix.de>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/uprobes.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 1666632e6ed..336f06948de 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; } |