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[2/4] scsi: lpfc: fix 32-bit format string warning

Message ID 20190304193917.702601-2-arnd@arndb.de (mailing list archive)
State Mainlined
Commit f996861be108f6152d60d7357301697c3309c77f
Headers show
Series [1/4] scsi: lpfc: fix unused variable warning | expand

Commit Message

Arnd Bergmann March 4, 2019, 7:39 p.m. UTC
On 32-bit architectures, we see a warning when %ld is used to
print a size_t:

In file included from drivers/scsi/lpfc/lpfc_init.c:62:
drivers/scsi/lpfc/lpfc_init.c: In function 'lpfc_new_io_buf':
drivers/scsi/lpfc/lpfc_logmsg.h:62:45: error: format '%ld' expects argument of type 'long int', but argument 5 has type 'unsigned int' [-Werror=format=]

This is harmless, but portable code should just use %zd to
avoid the warning.

Fixes: 0794d601d174 ("scsi: lpfc: Implement common IO buffers between NVME and SCSI")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/scsi/lpfc/lpfc_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Martin K. Petersen March 7, 2019, 12:15 a.m. UTC | #1
Arnd,

> On 32-bit architectures, we see a warning when %ld is used to
> print a size_t:

Applied to 5.1/scsi-queue, thanks!
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Patch

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 3b5873f6751e..6e6bd1b3237d 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -4090,7 +4090,7 @@  lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc)
 	/* Sanity check to ensure our sizing is right for both SCSI and NVME */
 	if (sizeof(struct lpfc_io_buf) > LPFC_COMMON_IO_BUF_SZ) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
-				"6426 Common buffer size %ld exceeds %d\n",
+				"6426 Common buffer size %zd exceeds %d\n",
 				sizeof(struct lpfc_io_buf),
 				LPFC_COMMON_IO_BUF_SZ);
 		return 0;