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(parent: 588fb54) | patch
clk: fix a panic error caused by accessing NULL pointer
authorCai Li <cai.li@spreadtrum.com>
Tue, 21 Nov 2017 09:24:38 +0000 (17:24 +0800)
committerStephen Boyd <sboyd@codeaurora.org>
Tue, 5 Dec 2017 23:28:51 +0000 (15:28 -0800)
commit975b820b6836b6b6c42fb84cd2e772e2b41bca67
treebe5a439036e60b2b6a66620ba34c2e35d7a223d9tree | snapshot
parent588fb54b0cc5be5fd2e12bb04810534ffc3d49cccommit | diff
clk: fix a panic error caused by accessing NULL pointer

In some cases the clock parent would be set NULL when doing re-parent,
it will cause a NULL pointer accessing if clk_set trace event is
enabled.

This patch sets the parent as "none" if the input parameter is NULL.

Fixes: dfc202ead312 (clk: Add tracepoints for hardware operations)
Signed-off-by: Cai Li <cai.li@spreadtrum.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
include/trace/events/clk.h diff | blob | history
Domain: System / Kernel;