Messages in this thread Patch in this message | | | From | Liang He <> | Subject | [PATCH] powerpc: sysdev: Fix refcount leak bug in mpic_msgr | Date | Fri, 17 Jun 2022 23:12:52 +0800 |
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In mpic_msgr_number_of_blocks() and mpic_msgr_block_number(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com> --- arch/powerpc/sysdev/mpic_msgr.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index 698fefaaa6dd..c2a235d9eb09 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -122,6 +122,7 @@ static unsigned int mpic_msgr_number_of_blocks(void) count += 1; } } + of_node_put(aliases); return count; } @@ -150,6 +151,7 @@ static int mpic_msgr_block_number(struct device_node *node) if (node == of_find_node_by_path(prop->value)) break; } + of_node_put(aliases); return index == number_of_blocks ? -1 : index; } -- 2.25.1
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