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-rw-r--r--os/various/fatfs_bindings/fatfs_diskio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/os/various/fatfs_bindings/fatfs_diskio.c b/os/various/fatfs_bindings/fatfs_diskio.c
index 93b5a44b3..5460eb75c 100644
--- a/os/various/fatfs_bindings/fatfs_diskio.c
+++ b/os/various/fatfs_bindings/fatfs_diskio.c
@@ -196,6 +196,8 @@ DRESULT disk_ioctl (
void *buff /* Buffer to send/receive control data */
)
{
+ (void)buff;
+
switch (pdrv) {
#if HAL_USE_MMC_SPI
case MMC: