The sanity checks for overflow are not needed, because this is done on
caller side in fs/sysfs/file.c

Signed-off-by: Vladimir Zapolskiy <[email protected]>
Cc: [email protected]
Cc: Ian Munsie <[email protected]>
Cc: Michael Neuling <[email protected]>
---
 drivers/misc/cxl/sysfs.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 31f38bc..87cd747 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -443,12 +443,7 @@ static ssize_t afu_read_config(struct file *filp, struct 
kobject *kobj,
        struct afu_config_record *cr = to_cr(kobj);
        struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct 
device, kobj));
 
-       u64 i, j, val, size = afu->crs_len;
-
-       if (off > size)
-               return 0;
-       if (off + count > size)
-               count = size - off;
+       u64 i, j, val;
 
        for (i = 0; i < count;) {
                val = cxl_afu_cr_read64(afu, cr->cr, off & ~0x7);
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to