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authorEddie James <eajames@linux.ibm.com>2021-02-09 20:12:34 +0300
committerJoel Stanley <joel@jms.id.au>2021-06-04 07:59:58 +0300
commit75028ef4583091c355ac78ef03b64fc8f1f87909 (patch)
tree72174900075024599cd88a76db7c2bb80c4f14da /drivers/hwmon
parent614f0a50c9df6e56e555b66f2bdd0495d4c4aef1 (diff)
downloadlinux-75028ef4583091c355ac78ef03b64fc8f1f87909.tar.xz
hwmon: (occ) Start sequence number at one
Initialize the sequence number at one, rather than zero, in order to prevent false matches with the zero-initialized OCC SRAM buffer before the OCC is fully initialized. Signed-off-by: Eddie James <eajames@linux.ibm.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210209171235.20624-4-eajames@linux.ibm.com Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/occ/common.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index f1ac153d0b56..7e73418ee0ad 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -1151,6 +1151,8 @@ int occ_setup(struct occ *occ, const char *name)
{
int rc;
+ /* start with 1 to avoid false match with zero-initialized SRAM buffer */
+ occ->seq_no = 1;
mutex_init(&occ->lock);
occ->groups[0] = &occ->group;