diff options
Diffstat (limited to 'arch/arm/mach-imx/imx-bbu-internal.c')
| -rw-r--r-- | arch/arm/mach-imx/imx-bbu-internal.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c index a563b3bc29..946a3e9a77 100644 --- a/arch/arm/mach-imx/imx-bbu-internal.c +++ b/arch/arm/mach-imx/imx-bbu-internal.c @@ -87,6 +87,7 @@ static int imx_bbu_write_device(struct imx_internal_bbu_handler *imx_handler, const void *buf, int image_len) { int fd, ret, offset = 0; + struct stat st; fd = open(devicefile, O_RDWR | O_CREAT); if (fd < 0) @@ -101,6 +102,15 @@ static int imx_bbu_write_device(struct imx_internal_bbu_handler *imx_handler, if (imx_handler->handler.flags & IMX_BBU_FLAG_KEEP_HEAD) offset += imx_handler->flash_header_offset; + ret = fstat(fd, &st); + if (ret) + goto err_close; + + if (image_len > st.st_size) { + ret = -ENOSPC; + goto err_close; + } + ret = imx_bbu_protect(fd, imx_handler, devicefile, offset, image_len, 0); if (ret) |