diff options
Diffstat (limited to 'arch/sandbox/os/common.c')
| -rw-r--r-- | arch/sandbox/os/common.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c index 86118822a1..3ad12b4a30 100644 --- a/arch/sandbox/os/common.c +++ b/arch/sandbox/os/common.c @@ -39,6 +39,8 @@ #include <signal.h> #include <sys/select.h> #include <sys/wait.h> +#include <sys/ioctl.h> +#include <linux/fs.h> /* * ...except the ones needed to connect with barebox */ @@ -260,11 +262,17 @@ static int add_image(char *str, char *devname_template, int *devname_number) hf->size = s.st_size; hf->devname = strdup(devname); + if (S_ISBLK(s.st_mode)) { + if (ioctl(fd, BLKGETSIZE64, &hf->size) == -1) { + perror("ioctl"); + goto err_out; + } + } hf->base = (unsigned long)mmap(NULL, hf->size, PROT_READ | (readonly ? 0 : PROT_WRITE), MAP_SHARED, fd, 0); if ((void *)hf->base == MAP_FAILED) - printf("warning: mmapping %s failed\n", filename); + printf("warning: mmapping %s failed: %s\n", filename, strerror(errno)); ret = barebox_register_filedev(hf); if (ret) |