[PATCH v3 2/5] pstore/blk: Move verify_size() macro out of function

From: Kees Cook
Date: Wed Jun 16 2021 - 12:40:56 EST


There's no good reason for the verify_size macro to live inside the
function. Move it up with the check_size() macro and fix indenting.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
fs/pstore/blk.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/fs/pstore/blk.c b/fs/pstore/blk.c
index eca83820fb5d..7d8e5a1ddd5b 100644
--- a/fs/pstore/blk.c
+++ b/fs/pstore/blk.c
@@ -108,6 +108,17 @@ struct bdev_info {
_##name_; \
})

+#define verify_size(name, alignsize, enabled) { \
+ long _##name_; \
+ if (enabled) \
+ _##name_ = check_size(name, alignsize); \
+ else \
+ _##name_ = 0; \
+ /* Synchronize module parameters with resuls. */ \
+ name = _##name_ / 1024; \
+ pstore_zone_info->name = _##name_; \
+}
+
static int __register_pstore_device(struct pstore_device_info *dev)
{
int ret;
@@ -143,21 +154,10 @@ static int __register_pstore_device(struct pstore_device_info *dev)
if (!dev->flags)
dev->flags = UINT_MAX;

-#define verify_size(name, alignsize, enabled) { \
- long _##name_; \
- if (enabled) \
- _##name_ = check_size(name, alignsize); \
- else \
- _##name_ = 0; \
- name = _##name_ / 1024; \
- pstore_zone_info->name = _##name_; \
- }
-
verify_size(kmsg_size, 4096, dev->flags & PSTORE_FLAGS_DMESG);
verify_size(pmsg_size, 4096, dev->flags & PSTORE_FLAGS_PMSG);
verify_size(console_size, 4096, dev->flags & PSTORE_FLAGS_CONSOLE);
verify_size(ftrace_size, 4096, dev->flags & PSTORE_FLAGS_FTRACE);
-#undef verify_size

pstore_zone_info->total_size = dev->total_size;
pstore_zone_info->max_reason = max_reason;
--
2.25.1