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-rw-r--r--block/raw-posix.c14
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;