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[5/6] scsi: qedi: fix building with LTO

Message ID 20180202131225.1658853-6-arnd@arndb.de (mailing list archive)
State Accepted
Headers show

Commit Message

Arnd Bergmann Feb. 2, 2018, 1:12 p.m. UTC
When link-time optimizations are enabled, qedi fails to build because
of mismatched prototypes:

drivers/scsi/qedi/qedi_gbl.h:27:37: error: type of 'qedi_dbg_fops' does not match original declaration [-Werror=lto-type-mismatch]
 extern const struct file_operations qedi_dbg_fops;
                                     ^
drivers/scsi/qedi/qedi_debugfs.c:239:30: note: 'qedi_dbg_fops' was previously declared here
 const struct file_operations qedi_dbg_fops[] = {
                              ^
drivers/scsi/qedi/qedi_gbl.h:26:32: error: type of 'qedi_debugfs_ops' does not match original declaration [-Werror=lto-type-mismatch]
 extern struct qedi_debugfs_ops qedi_debugfs_ops;
                                ^
drivers/scsi/qedi/qedi_debugfs.c:102:25: note: 'qedi_debugfs_ops' was previously declared here
 struct qedi_debugfs_ops qedi_debugfs_ops[] = {

This changes the declaration to match the definition, and adapts the
users as necessary. Since both array can be constant here, I'm adding
the 'const' everywhere for consistency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/scsi/qedi/qedi_dbg.h     | 2 +-
 drivers/scsi/qedi/qedi_debugfs.c | 4 ++--
 drivers/scsi/qedi/qedi_gbl.h     | 4 ++--
 drivers/scsi/qedi/qedi_main.c    | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

Comments

Rangankar, Manish Feb. 5, 2018, 6:08 a.m. UTC | #1
On 02/02/18 6:42 PM, "Arnd Bergmann" <arnd@arndb.de> wrote:

>When link-time optimizations are enabled, qedi fails to build because
>of mismatched prototypes:
>
>drivers/scsi/qedi/qedi_gbl.h:27:37: error: type of 'qedi_dbg_fops' does
>not match original declaration [-Werror=lto-type-mismatch]
> extern const struct file_operations qedi_dbg_fops;
>                                     ^
>drivers/scsi/qedi/qedi_debugfs.c:239:30: note: 'qedi_dbg_fops' was
>previously declared here
> const struct file_operations qedi_dbg_fops[] = {
>                              ^
>drivers/scsi/qedi/qedi_gbl.h:26:32: error: type of 'qedi_debugfs_ops'
>does not match original declaration [-Werror=lto-type-mismatch]
> extern struct qedi_debugfs_ops qedi_debugfs_ops;
>                                ^
>drivers/scsi/qedi/qedi_debugfs.c:102:25: note: 'qedi_debugfs_ops' was
>previously declared here
> struct qedi_debugfs_ops qedi_debugfs_ops[] = {
>
>This changes the declaration to match the definition, and adapts the
>users as necessary. Since both array can be constant here, I'm adding
>the 'const' everywhere for consistency.
>
>Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>---
> drivers/scsi/qedi/qedi_dbg.h     | 2 +-
> drivers/scsi/qedi/qedi_debugfs.c | 4 ++--
> drivers/scsi/qedi/qedi_gbl.h     | 4 ++--
> drivers/scsi/qedi/qedi_main.c    | 4 ++--
> 4 files changed, 7 insertions(+), 7 deletions(-)
>
>diff --git a/drivers/scsi/qedi/qedi_dbg.h b/drivers/scsi/qedi/qedi_dbg.h
>index c55572badfb0..358f40567849 100644
>--- a/drivers/scsi/qedi/qedi_dbg.h
>+++ b/drivers/scsi/qedi/qedi_dbg.h
>@@ -134,7 +134,7 @@ struct qedi_debugfs_ops {
> }
> 
> void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
>-			struct qedi_debugfs_ops *dops,
>+			const struct qedi_debugfs_ops *dops,
> 			const struct file_operations *fops);
> void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi);
> void qedi_dbg_init(char *drv_name);
>diff --git a/drivers/scsi/qedi/qedi_debugfs.c
>b/drivers/scsi/qedi/qedi_debugfs.c
>index fd8a1eea3163..fd914ca4149a 100644
>--- a/drivers/scsi/qedi/qedi_debugfs.c
>+++ b/drivers/scsi/qedi/qedi_debugfs.c
>@@ -19,7 +19,7 @@ static struct dentry *qedi_dbg_root;
> 
> void
> qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
>-		   struct qedi_debugfs_ops *dops,
>+		   const struct qedi_debugfs_ops *dops,
> 		   const struct file_operations *fops)
> {
> 	char host_dirname[32];
>@@ -99,7 +99,7 @@ static struct qedi_list_of_funcs
>qedi_dbg_do_not_recover_ops[] = {
> 	{ NULL, NULL }
> };
> 
>-struct qedi_debugfs_ops qedi_debugfs_ops[] = {
>+const struct qedi_debugfs_ops qedi_debugfs_ops[] = {
> 	{ "gbl_ctx", NULL },
> 	{ "do_not_recover", qedi_dbg_do_not_recover_ops},
> 	{ "io_trace", NULL },
>diff --git a/drivers/scsi/qedi/qedi_gbl.h b/drivers/scsi/qedi/qedi_gbl.h
>index f5b5a31999aa..a2aa06ed1620 100644
>--- a/drivers/scsi/qedi/qedi_gbl.h
>+++ b/drivers/scsi/qedi/qedi_gbl.h
>@@ -23,8 +23,8 @@ extern uint qedi_io_tracing;
> extern struct scsi_host_template qedi_host_template;
> extern struct iscsi_transport qedi_iscsi_transport;
> extern const struct qed_iscsi_ops *qedi_ops;
>-extern struct qedi_debugfs_ops qedi_debugfs_ops;
>-extern const struct file_operations qedi_dbg_fops;
>+extern const struct qedi_debugfs_ops qedi_debugfs_ops[];
>+extern const struct file_operations qedi_dbg_fops[];
> extern struct device_attribute *qedi_shost_attrs[];
> 
> int qedi_alloc_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
>diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
>index 029e2e69b29f..e992f9d3ef00 100644
>--- a/drivers/scsi/qedi/qedi_main.c
>+++ b/drivers/scsi/qedi/qedi_main.c
>@@ -2303,8 +2303,8 @@ static int __qedi_probe(struct pci_dev *pdev, int
>mode)
> 	}
> 
> #ifdef CONFIG_DEBUG_FS
>-	qedi_dbg_host_init(&qedi->dbg_ctx, &qedi_debugfs_ops,
>-			   &qedi_dbg_fops);
>+	qedi_dbg_host_init(&qedi->dbg_ctx, qedi_debugfs_ops,
>+			   qedi_dbg_fops);
> #endif
> 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
> 		  "QLogic FastLinQ iSCSI Module qedi %s, FW %d.%d.%d.%d\n",
>-- 
>2.9.0

Thanks

Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>


>
Martin K. Petersen Feb. 7, 2018, 1:24 a.m. UTC | #2
Arnd,

> When link-time optimizations are enabled, qedi fails to build because
> of mismatched prototypes:

Applied to 4.17/scsi-queue. Thanks!
diff mbox

Patch

diff --git a/drivers/scsi/qedi/qedi_dbg.h b/drivers/scsi/qedi/qedi_dbg.h
index c55572badfb0..358f40567849 100644
--- a/drivers/scsi/qedi/qedi_dbg.h
+++ b/drivers/scsi/qedi/qedi_dbg.h
@@ -134,7 +134,7 @@  struct qedi_debugfs_ops {
 }
 
 void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
-			struct qedi_debugfs_ops *dops,
+			const struct qedi_debugfs_ops *dops,
 			const struct file_operations *fops);
 void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi);
 void qedi_dbg_init(char *drv_name);
diff --git a/drivers/scsi/qedi/qedi_debugfs.c b/drivers/scsi/qedi/qedi_debugfs.c
index fd8a1eea3163..fd914ca4149a 100644
--- a/drivers/scsi/qedi/qedi_debugfs.c
+++ b/drivers/scsi/qedi/qedi_debugfs.c
@@ -19,7 +19,7 @@  static struct dentry *qedi_dbg_root;
 
 void
 qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
-		   struct qedi_debugfs_ops *dops,
+		   const struct qedi_debugfs_ops *dops,
 		   const struct file_operations *fops)
 {
 	char host_dirname[32];
@@ -99,7 +99,7 @@  static struct qedi_list_of_funcs qedi_dbg_do_not_recover_ops[] = {
 	{ NULL, NULL }
 };
 
-struct qedi_debugfs_ops qedi_debugfs_ops[] = {
+const struct qedi_debugfs_ops qedi_debugfs_ops[] = {
 	{ "gbl_ctx", NULL },
 	{ "do_not_recover", qedi_dbg_do_not_recover_ops},
 	{ "io_trace", NULL },
diff --git a/drivers/scsi/qedi/qedi_gbl.h b/drivers/scsi/qedi/qedi_gbl.h
index f5b5a31999aa..a2aa06ed1620 100644
--- a/drivers/scsi/qedi/qedi_gbl.h
+++ b/drivers/scsi/qedi/qedi_gbl.h
@@ -23,8 +23,8 @@  extern uint qedi_io_tracing;
 extern struct scsi_host_template qedi_host_template;
 extern struct iscsi_transport qedi_iscsi_transport;
 extern const struct qed_iscsi_ops *qedi_ops;
-extern struct qedi_debugfs_ops qedi_debugfs_ops;
-extern const struct file_operations qedi_dbg_fops;
+extern const struct qedi_debugfs_ops qedi_debugfs_ops[];
+extern const struct file_operations qedi_dbg_fops[];
 extern struct device_attribute *qedi_shost_attrs[];
 
 int qedi_alloc_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 029e2e69b29f..e992f9d3ef00 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2303,8 +2303,8 @@  static int __qedi_probe(struct pci_dev *pdev, int mode)
 	}
 
 #ifdef CONFIG_DEBUG_FS
-	qedi_dbg_host_init(&qedi->dbg_ctx, &qedi_debugfs_ops,
-			   &qedi_dbg_fops);
+	qedi_dbg_host_init(&qedi->dbg_ctx, qedi_debugfs_ops,
+			   qedi_dbg_fops);
 #endif
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
 		  "QLogic FastLinQ iSCSI Module qedi %s, FW %d.%d.%d.%d\n",