md_type is an enum. On my tests, GCC treats it as unsigned but
according to the C standard it's an implementation dependant thing so we
should check for negatives.
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index d9a5c24633cb..0d77ebc5c865 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -3005,7 +3005,7 @@ int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
return 0;
md_type = md->type;
- if (md_type >= ATOMISP_METADATA_TYPE_NUM)
+ if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
return -EINVAL;
/* This is done in the atomisp_buf_done() */
--
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