There is a static checker warning here because "val" is controlled by
the user and we have a upper bound on it but allow negative numbers.
"val" appears to be a timeout in usec so this bug probably means we
have a longer timeout than we should. Let's fix this by changing "val"
to unsigned.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Checkpatch has several complaints about this code but I left it as-is.
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 90fdf0e..675e7fa 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -758,7 +758,7 @@ mvs_store_interrupt_coalescing(struct device *cdev,
struct device_attribute *attr,
const char *buffer, size_t size)
{
- int val = 0;
+ unsigned int val = 0;
struct mvs_info *mvi = NULL;
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
@@ -766,7 +766,7 @@ mvs_store_interrupt_coalescing(struct device *cdev,
if (buffer == NULL)
return size;
- if (sscanf(buffer, "%d", &val) != 1)
+ if (sscanf(buffer, "%u", &val) != 1)
return -EINVAL;
if (val >= 0x10000) {
--
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