[Bug 206695] kmemleak reports leaks in drivers/macintosh/windfarm

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=206695

--- Comment #3 from mpe@ellerman.id.au ---
Can you try this patch?

diff --git a/drivers/macintosh/windfarm_pm112.c
b/drivers/macintosh/windfarm_pm112.c
index 4150301a89a5..a16f43a1def9 100644
--- a/drivers/macintosh/windfarm_pm112.c
+++ b/drivers/macintosh/windfarm_pm112.c
@@ -125,7 +125,7 @@ static int create_cpu_loop(int cpu)
 {
        int chip = cpu / 2;
        int core = cpu & 1;
-       struct smu_sdbp_header *hdr;
+       struct smu_sdbp_header *hdr, *hdr2;
        struct smu_sdbp_cpupiddata *piddata;
        struct wf_cpu_pid_param pid;
        struct wf_control *main_fan = cpu_fans[0];
@@ -141,9 +141,9 @@ static int create_cpu_loop(int cpu)
        piddata = (struct smu_sdbp_cpupiddata *)&hdr[1];

        /* Get FVT params to get Tmax; if not found, assume default */
-       hdr = smu_sat_get_sdb_partition(chip, 0xC4 + core, NULL);
-       if (hdr) {
-               struct smu_sdbp_fvt *fvt = (struct smu_sdbp_fvt *)&hdr[1];
+       hdr2 = smu_sat_get_sdb_partition(chip, 0xC4 + core, NULL);
+       if (hdr2) {
+               struct smu_sdbp_fvt *fvt = (struct smu_sdbp_fvt *)&hdr2[1];
                tmax = fvt->maxtemp << 16;
        } else
                tmax = 95 << 16;        /* default to 95 degrees C */
@@ -174,6 +174,10 @@ static int create_cpu_loop(int cpu)
                pid.min = fmin;

        wf_cpu_pid_init(&cpu_pid[cpu], &pid);
+
+       kfree(hdr);
+       kfree(hdr2);
+
        return 0;
 }

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