In order to achieve this, the .bdrv_probe callbacks of all drivers must
cope with this. The DMG driver is the only one that bases its decision
on the filename and it needs to be changed.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block/dmg.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/block/dmg.c b/block/dmg.c
index c1066df..3141cb5 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -51,9 +51,16 @@ typedef struct BDRVDMGState {
static int dmg_probe(const uint8_t *buf, int buf_size, const char *filename)
{
- int len=strlen(filename);
- if(len>4 && !strcmp(filename+len-4,".dmg"))
- return 2;
+ int len;
+
+ if (!filename) {
+ return 0;
+ }
+
+ len = strlen(filename);
+ if (len > 4 && !strcmp(filename + len - 4, ".dmg")) {
+ return 2;
+ }
return 0;
}
--
1.8.1.4
