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-rw-r--r--drivers/macintosh/windfarm_smu_sat.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 7f2be4b..7847e98 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -87,11 +87,12 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
return NULL;
}
- len = i2c_smbus_read_word_data(&sat->i2c, 9);
- if (len < 0) {
+ err = i2c_smbus_read_word_data(&sat->i2c, 9);
+ if (err < 0) {
printk(KERN_ERR "smu_sat_get_sdb_part rd len error\n");
return NULL;
}
+ len = err;
if (len == 0) {
printk(KERN_ERR "smu_sat_get_sdb_part no partition %x\n", id);
return NULL;
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