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-rw-r--r--include/linux/ceph/osd_client.h2
-rw-r--r--include/linux/crash_core.h2
-rw-r--r--include/linux/cred.h7
-rw-r--r--include/linux/kvm_host.h2
-rw-r--r--include/linux/platform_data/gsc_hwmon.h2
-rw-r--r--include/linux/string.h7
6 files changed, 13 insertions, 9 deletions
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index bf9823956758..b8610e9d2471 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -278,7 +278,7 @@ struct ceph_osd_request {
int r_attempts;
u32 r_map_dne_bound;
- struct ceph_osd_req_op r_ops[];
+ struct ceph_osd_req_op r_ops[] __counted_by(r_num_ops);
};
struct ceph_request_redirect {
diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 0c06561bf5ff..08704c29fdb4 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -92,7 +92,7 @@ int parse_crashkernel_low(char *cmdline, unsigned long long system_ram,
struct crash_mem {
unsigned int max_nr_ranges;
unsigned int nr_ranges;
- struct range ranges[];
+ struct range ranges[] __counted_by(max_nr_ranges);
};
extern int crash_exclude_mem_range(struct crash_mem *mem,
diff --git a/include/linux/cred.h b/include/linux/cred.h
index f923528d5cc4..92f8d772da6f 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/key.h>
#include <linux/atomic.h>
+#include <linux/refcount.h>
#include <linux/uidgid.h>
#include <linux/sched.h>
#include <linux/sched/user.h>
@@ -23,7 +24,7 @@ struct inode;
* COW Supplementary groups list
*/
struct group_info {
- atomic_t usage;
+ refcount_t usage;
int ngroups;
kgid_t gid[];
} __randomize_layout;
@@ -39,7 +40,7 @@ struct group_info {
*/
static inline struct group_info *get_group_info(struct group_info *gi)
{
- atomic_inc(&gi->usage);
+ refcount_inc(&gi->usage);
return gi;
}
@@ -49,7 +50,7 @@ static inline struct group_info *get_group_info(struct group_info *gi)
*/
#define put_group_info(group_info) \
do { \
- if (atomic_dec_and_test(&(group_info)->usage)) \
+ if (refcount_dec_and_test(&(group_info)->usage)) \
groups_free(group_info); \
} while (0)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index fb6c6109fdca..4944136efaa2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -664,7 +664,7 @@ struct kvm_irq_routing_table {
* Array indexed by gsi. Each entry contains list of irq chips
* the gsi is connected to.
*/
- struct hlist_head map[];
+ struct hlist_head map[] __counted_by(nr_rt_entries);
};
#endif
diff --git a/include/linux/platform_data/gsc_hwmon.h b/include/linux/platform_data/gsc_hwmon.h
index f2781aa7eff8..70e8a6bec0f6 100644
--- a/include/linux/platform_data/gsc_hwmon.h
+++ b/include/linux/platform_data/gsc_hwmon.h
@@ -40,6 +40,6 @@ struct gsc_hwmon_platform_data {
unsigned int resolution;
unsigned int vreference;
unsigned int fan_base;
- struct gsc_hwmon_channel channels[];
+ struct gsc_hwmon_channel channels[] __counted_by(nchannels);
};
#endif
diff --git a/include/linux/string.h b/include/linux/string.h
index dbfc66400050..9e3cb6923b0e 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -277,10 +277,12 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
*/
#define strtomem_pad(dest, src, pad) do { \
const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _src_len = __builtin_object_size(src, 1); \
\
BUILD_BUG_ON(!__builtin_constant_p(_dest_len) || \
_dest_len == (size_t)-1); \
- memcpy_and_pad(dest, _dest_len, src, strnlen(src, _dest_len), pad); \
+ memcpy_and_pad(dest, _dest_len, src, \
+ strnlen(src, min(_src_len, _dest_len)), pad); \
} while (0)
/**
@@ -298,10 +300,11 @@ void memcpy_and_pad(void *dest, size_t dest_len, const void *src, size_t count,
*/
#define strtomem(dest, src) do { \
const size_t _dest_len = __builtin_object_size(dest, 1); \
+ const size_t _src_len = __builtin_object_size(src, 1); \
\
BUILD_BUG_ON(!__builtin_constant_p(_dest_len) || \
_dest_len == (size_t)-1); \
- memcpy(dest, src, min(_dest_len, strnlen(src, _dest_len))); \
+ memcpy(dest, src, strnlen(src, min(_src_len, _dest_len))); \
} while (0)
/**