Messages in this thread Patch in this message | | | From | Eddie James <> | Subject | [PATCH 3/4] hwmon: (occ) Start sequence number at one | Date | Tue, 9 Feb 2021 11:12:34 -0600 |
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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> --- drivers/hwmon/occ/common.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 7a5e539b567b..ee0c5d12dfdf 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -1150,6 +1150,8 @@ 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; -- 2.27.0
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