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authorDavid S. Miller <davem@davemloft.net>2016-03-08 12:34:12 -0500
committerDavid S. Miller <davem@davemloft.net>2016-03-08 12:34:12 -0500
commit810813c47a564416f6306ae214e2661366c987a7 (patch)
treef0d1f856d4b0024324f642fe519963248828b83f /arch/powerpc/kernel/hw_breakpoint.c
parentd66ab51442211158b677c2f12310c314d9587f74 (diff)
parente2857b8f11a289ed2b61d18d0665e05c1053c446 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of overlapping changes, as well as one instance (vxlan) of a bug fix in 'net' overlapping with code movement in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 05e804cdecaa..aec9a1b1d25b 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -109,8 +109,9 @@ void arch_unregister_hw_breakpoint(struct perf_event *bp)
* If the breakpoint is unregistered between a hw_breakpoint_handler()
* and the single_step_dabr_instruction(), then cleanup the breakpoint
* restoration variables to prevent dangling pointers.
+ * FIXME, this should not be using bp->ctx at all! Sayeth peterz.
*/
- if (bp->ctx && bp->ctx->task)
+ if (bp->ctx && bp->ctx->task && bp->ctx->task != ((void *)-1L))
bp->ctx->task->thread.last_hit_ubp = NULL;
}