[U-Boot] [PATCH] fpga: Replace char * with const char * for filename
tien.fong.chee at intel.com
tien.fong.chee at intel.com
Fri Feb 15 07:57:07 UTC 2019
From: Tien Fong Chee <tien.fong.chee at intel.com>
Ensure the string for filename is always constant, otherwise it can be
corrupted by the writing.
Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
---
drivers/fpga/zynqpl.c | 3 ++-
include/fpga.h | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index 499310d..683cf14 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -421,7 +421,8 @@ static int zynq_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
loff_t blocksize, actread;
loff_t pos = 0;
int fstype;
- char *interface, *dev_part, *filename;
+ char *interface, *dev_part;
+ const char *filename;
blocksize = fsinfo->blocksize;
interface = fsinfo->interface;
diff --git a/include/fpga.h b/include/fpga.h
index 195f0bd..51de5c5 100644
--- a/include/fpga.h
+++ b/include/fpga.h
@@ -41,7 +41,7 @@ typedef struct { /* typedef fpga_desc */
unsigned int blocksize;
char *interface;
char *dev_part;
- char *filename;
+ const char *filename;
int fstype;
} fpga_fs_info;
--
1.7.7.4
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