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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:33 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:33 +0000 |
| commit | a097cf30108c0151cb2684afd962bd2678ff97d7 (patch) | |
| tree | de1ac8afc7248eec4b2fb60496b8e9273452d9f7 /drivers/firmware/arm_scmi/smc.c | |
| parent | Adding upstream version 6.1.82. (diff) | |
| download | linux-a097cf30108c0151cb2684afd962bd2678ff97d7.tar.xz linux-a097cf30108c0151cb2684afd962bd2678ff97d7.zip | |
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/firmware/arm_scmi/smc.c')
| -rw-r--r-- | drivers/firmware/arm_scmi/smc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index ac0bd51ef..42ea308a2 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -171,6 +171,13 @@ static int smc_chan_free(int id, void *p, void *data) struct scmi_chan_info *cinfo = p; struct scmi_smc *scmi_info = cinfo->transport_info; + /* + * Different protocols might share the same chan info, so a previous + * smc_chan_free call might have already freed the structure. + */ + if (!scmi_info) + return 0; + /* Ignore any possible further reception on the IRQ path */ if (scmi_info->irq > 0) free_irq(scmi_info->irq, scmi_info); |