From: Tom Rix <t...@redhat.com>
[ Upstream commit 5aee52c44d9170591df65fafa1cd408acc1225ce ]
clang static analysis flags several null function pointer problems.
drivers/scsi/scsi_transport_spi.c:374:1: warning: Called function pointer is
null (null dereference) [core.CallAndMessage]
spi_transport_max_attr(offset, "%d\n");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reviewing the store_spi_store_max macro
if (i->f->set_##field)
return -EINVAL;
should be
if (!i->f->set_##field)
return -EINVAL;
Link: https://lore.kernel.org/r/20200627133242.21618-1-t...@redhat.com
Reviewed-by: James Bottomley <j...@linux.ibm.com>
Signed-off-by: Tom Rix <t...@redhat.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/scsi/scsi_transport_spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_transport_spi.c
b/drivers/scsi/scsi_transport_spi.c
index 40b85b752b794..69213842e63e0 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -352,7 +352,7 @@ store_spi_transport_##field(struct device *dev,
\
struct spi_transport_attrs *tp \
= (struct spi_transport_attrs *)&starget->starget_data; \
\
- if (i->f->set_##field) \
+ if (!i->f->set_##field) \
return -EINVAL; \
val = simple_strtoul(buf, NULL, 0); \
if (val > tp->max_##field) \
--
2.25.1
