The branch stable/12 has been updated by imp:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=f12339d9c14ecfd0f1d02ee8692df94a89181311

commit f12339d9c14ecfd0f1d02ee8692df94a89181311
Author:     Michal Meloun <[email protected]>
AuthorDate: 2020-12-01 08:52:13 +0000
Commit:     Warner Losh <[email protected]>
CommitDate: 2021-07-31 00:02:52 +0000

    Always use the __unused attribute even for potentially unused parameters.
    
    Requested by:   ian, imp
    MFC with:       r368167
    
    (cherry picked from commit cf7c06293236710cc33de029fccd1185cb38c5fb)
---
 sys/dev/nvme/nvme.h | 41 +++++++++++++++++------------------------
 1 file changed, 17 insertions(+), 24 deletions(-)

diff --git a/sys/dev/nvme/nvme.h b/sys/dev/nvme/nvme.h
index 4ca4ea3373f6..982c994d6433 100644
--- a/sys/dev/nvme/nvme.h
+++ b/sys/dev/nvme/nvme.h
@@ -1738,15 +1738,9 @@ extern int nvme_use_nvd;
 
 #endif /* _KERNEL */
 
-#if _BYTE_ORDER != _LITTLE_ENDIAN
-#define MODIF
-#else
-#define MODIF __unused
-#endif
-
 /* Endianess conversion functions for NVMe structs */
 static inline
-void   nvme_completion_swapbytes(struct nvme_completion *s MODIF)
+void   nvme_completion_swapbytes(struct nvme_completion *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
 
@@ -1760,7 +1754,7 @@ void      nvme_completion_swapbytes(struct 
nvme_completion *s MODIF)
 }
 
 static inline
-void   nvme_power_state_swapbytes(struct nvme_power_state *s MODIF)
+void   nvme_power_state_swapbytes(struct nvme_power_state *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
 
@@ -1773,7 +1767,7 @@ void      nvme_power_state_swapbytes(struct 
nvme_power_state *s MODIF)
 }
 
 static inline
-void   nvme_controller_data_swapbytes(struct nvme_controller_data *s MODIF)
+void   nvme_controller_data_swapbytes(struct nvme_controller_data *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1825,7 +1819,7 @@ void      nvme_controller_data_swapbytes(struct 
nvme_controller_data *s MODIF)
 }
 
 static inline
-void   nvme_namespace_data_swapbytes(struct nvme_namespace_data *s MODIF)
+void   nvme_namespace_data_swapbytes(struct nvme_namespace_data *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1855,7 +1849,7 @@ void      nvme_namespace_data_swapbytes(struct 
nvme_namespace_data *s MODIF)
 
 static inline
 void   nvme_error_information_entry_swapbytes(
-    struct nvme_error_information_entry *s MODIF)
+    struct nvme_error_information_entry *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
 
@@ -1872,7 +1866,7 @@ void      nvme_error_information_entry_swapbytes(
 }
 
 static inline
-void   nvme_le128toh(void *p MODIF)
+void   nvme_le128toh(void *p __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        /* Swap 16 bytes in place */
@@ -1889,7 +1883,7 @@ void      nvme_le128toh(void *p MODIF)
 
 static inline
 void   nvme_health_information_page_swapbytes(
-    struct nvme_health_information_page *s MODIF)
+    struct nvme_health_information_page *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1918,7 +1912,7 @@ void      nvme_health_information_page_swapbytes(
 
 
 static inline
-void   nvme_firmware_page_swapbytes(struct nvme_firmware_page *s MODIF)
+void   nvme_firmware_page_swapbytes(struct nvme_firmware_page *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1929,7 +1923,7 @@ void      nvme_firmware_page_swapbytes(struct 
nvme_firmware_page *s MODIF)
 }
 
 static inline
-void   nvme_ns_list_swapbytes(struct nvme_ns_list *s MODIF)
+void   nvme_ns_list_swapbytes(struct nvme_ns_list *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1941,7 +1935,7 @@ void      nvme_ns_list_swapbytes(struct nvme_ns_list *s 
MODIF)
 
 static inline
 void   nvme_command_effects_page_swapbytes(
-    struct nvme_command_effects_page *s MODIF)
+    struct nvme_command_effects_page *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        int i;
@@ -1955,7 +1949,7 @@ void      nvme_command_effects_page_swapbytes(
 
 static inline
 void   nvme_res_notification_page_swapbytes(
-    struct nvme_res_notification_page *s MODIF)
+    struct nvme_res_notification_page *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        s->log_page_count = le64toh(s->log_page_count);
@@ -1965,7 +1959,7 @@ void      nvme_res_notification_page_swapbytes(
 
 static inline
 void   nvme_sanitize_status_page_swapbytes(
-    struct nvme_sanitize_status_page *s MODIF)
+    struct nvme_sanitize_status_page *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        s->sprog = le16toh(s->sprog);
@@ -1981,7 +1975,7 @@ void      nvme_sanitize_status_page_swapbytes(
 }
 
 static inline
-void   intel_log_temp_stats_swapbytes(struct intel_log_temp_stats *s  MODIF)
+void   intel_log_temp_stats_swapbytes(struct intel_log_temp_stats *s __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
 
@@ -1998,8 +1992,8 @@ void      intel_log_temp_stats_swapbytes(struct 
intel_log_temp_stats *s  MODIF)
 }
 
 static inline
-void   nvme_resv_status_swapbytes(struct nvme_resv_status *s MODIF,
-    size_t size MODIF)
+void   nvme_resv_status_swapbytes(struct nvme_resv_status *s __unused,
+    size_t size __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        u_int i, n;
@@ -2016,8 +2010,8 @@ void      nvme_resv_status_swapbytes(struct 
nvme_resv_status *s MODIF,
 }
 
 static inline
-void   nvme_resv_status_ext_swapbytes(struct nvme_resv_status_ext *s MODIF,
-    size_t size MODIF)
+void   nvme_resv_status_ext_swapbytes(struct nvme_resv_status_ext *s __unused,
+    size_t size __unused)
 {
 #if _BYTE_ORDER != _LITTLE_ENDIAN
        u_int i, n;
@@ -2032,6 +2026,5 @@ void      nvme_resv_status_ext_swapbytes(struct 
nvme_resv_status_ext *s MODIF,
        }
 #endif
 }
-#undef MODIF
 
 #endif /* __NVME_H__ */
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