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| author | Liang He <windhl@126.com> | 2022-06-17 20:44:32 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-02 16:17:15 +0200 |
| commit | 3e5eb904d9ba657308fc75a5de434b0e58dcb8d7 (patch) | |
| tree | e0b908a6b92c392a0e26dcb27d5663d5b38196e6 | |
| parent | b12d5c52f073a0420622aaf2f21b615cce8b36cc (diff) | |
| download | linux-3e5eb904d9ba657308fc75a5de434b0e58dcb8d7.tar.gz linux-3e5eb904d9ba657308fc75a5de434b0e58dcb8d7.tar.bz2 linux-3e5eb904d9ba657308fc75a5de434b0e58dcb8d7.zip | |
xtensa: Fix refcount leak bug in time.c
commit a0117dc956429f2ede17b323046e1968d1849150 upstream.
In calibrate_ccount(), of_find_compatible_node() will return a node
pointer with refcount incremented. We should use of_node_put() when
it is not used anymore.
Cc: stable@vger.kernel.org
Signed-off-by: Liang He <windhl@126.com>
Message-Id: <20220617124432.4049006-1-windhl@126.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/xtensa/kernel/time.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 2251a6e0973a..d4b4386df568 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -146,6 +146,7 @@ static void __init calibrate_ccount(void) cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu"); if (cpu) { clk = of_clk_get(cpu, 0); + of_node_put(cpu); if (!IS_ERR(clk)) { ccount_freq = clk_get_rate(clk); return; |