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path: root/drivers/firmware/google/gsmi.c
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Diffstat (limited to 'drivers/firmware/google/gsmi.c')
-rw-r--r--drivers/firmware/google/gsmi.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c
index c46387160976..98cdfc2ee0df 100644
--- a/drivers/firmware/google/gsmi.c
+++ b/drivers/firmware/google/gsmi.c
@@ -480,11 +480,10 @@ static ssize_t eventlog_write(struct file *filp, struct kobject *kobj,
if (count < sizeof(u32))
return -EINVAL;
param.type = *(u32 *)buf;
- count -= sizeof(u32);
buf += sizeof(u32);
/* The remaining buffer is the data payload */
- if (count > gsmi_dev.data_buf->length)
+ if ((count - sizeof(u32)) > gsmi_dev.data_buf->length)
return -EINVAL;
param.data_len = count - sizeof(u32);
@@ -504,7 +503,7 @@ static ssize_t eventlog_write(struct file *filp, struct kobject *kobj,
spin_unlock_irqrestore(&gsmi_dev.lock, flags);
- return rc;
+ return (rc == 0) ? count : rc;
}