Suggested-by: Paolo Bonzini <[email protected]>
CC: Gerd Hoffmann <[email protected]>
Signed-off-by: Peter Xu <[email protected]>
---
hw/usb/dev-mtp.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 7391783..e6dae2f 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -432,13 +432,13 @@ static void inotify_watchfn(void *arg)
{
MTPState *s = arg;
ssize_t bytes;
+#define __BUF_LEN (sizeof(struct inotify_event) + NAME_MAX + 1)
/* From the man page: atleast one event can be read */
- int len = sizeof(struct inotify_event) + NAME_MAX + 1;
int pos;
- char buf[len];
+ char buf[__BUF_LEN];
for (;;) {
- bytes = read(s->inotifyfd, buf, len);
+ bytes = read(s->inotifyfd, buf, __BUF_LEN);
pos = 0;
if (bytes <= 0) {
@@ -534,6 +534,7 @@ static void inotify_watchfn(void *arg)
}
}
}
+#undef __BUF_LEN
}
static int usb_mtp_inotify_init(MTPState *s)
--
2.4.3
