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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:50 +0000
commit7c0639a3af697d4ae7a5db4d2ecc09eed43cad35 (patch)
treeb28a6eef28064256422bed5e477ee51f2cbb0c0b /drivers/firmware/arm_scmi/smc.c
parentAdding debian version 6.7.9-2. (diff)
downloadlinux-7c0639a3af697d4ae7a5db4d2ecc09eed43cad35.tar.xz
linux-7c0639a3af697d4ae7a5db4d2ecc09eed43cad35.zip
Merging upstream version 6.7.12.
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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c
index 7611e96650..39936e1dd3 100644
--- a/drivers/firmware/arm_scmi/smc.c
+++ b/drivers/firmware/arm_scmi/smc.c
@@ -214,6 +214,13 @@ 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);