diff options
Diffstat (limited to 'block/raw-posix.c')
| -rw-r--r-- | block/raw-posix.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index 4cd7d7afbb..34b64aa205 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -46,6 +46,8 @@ #include <sys/dkio.h> #endif #ifdef __linux__ +#include <sys/types.h> +#include <sys/stat.h> #include <sys/ioctl.h> #include <sys/param.h> #include <linux/cdrom.h> @@ -1188,6 +1190,7 @@ static int floppy_probe_device(const char *filename) int fd, ret; int prio = 0; struct floppy_struct fdparam; + struct stat st; if (strstart(filename, "/dev/fd", NULL)) prio = 50; @@ -1196,12 +1199,17 @@ static int floppy_probe_device(const char *filename) if (fd < 0) { goto out; } + ret = fstat(fd, &st); + if (ret == -1 || !S_ISBLK(st.st_mode)) { + goto outc; + } /* Attempt to detect via a floppy specific ioctl */ ret = ioctl(fd, FDGETPRM, &fdparam); if (ret >= 0) prio = 100; +outc: close(fd); out: return prio; @@ -1290,17 +1298,23 @@ static int cdrom_probe_device(const char *filename) { int fd, ret; int prio = 0; + struct stat st; fd = open(filename, O_RDONLY | O_NONBLOCK); if (fd < 0) { goto out; } + ret = fstat(fd, &st); + if (ret == -1 || !S_ISBLK(st.st_mode)) { + goto outc; + } /* Attempt to detect via a CDROM specific ioctl */ ret = ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT); if (ret >= 0) prio = 100; +outc: close(fd); out: return prio; |