diff options
Diffstat (limited to 'target/arm/arm-semi.c')
| -rw-r--r-- | target/arm/arm-semi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c index 47d61f6fe1..788fe61b51 100644 --- a/target/arm/arm-semi.c +++ b/target/arm/arm-semi.c @@ -144,7 +144,8 @@ static int alloc_guestfd(void) guestfd_array = g_array_new(FALSE, TRUE, sizeof(GuestFD)); } - for (i = 0; i < guestfd_array->len; i++) { + /* SYS_OPEN should return nonzero handle on success. Start guestfd from 1 */ + for (i = 1; i < guestfd_array->len; i++) { GuestFD *gf = &g_array_index(guestfd_array, GuestFD, i); if (gf->type == GuestFDUnused) { @@ -168,7 +169,7 @@ static GuestFD *do_get_guestfd(int guestfd) return NULL; } - if (guestfd < 0 || guestfd >= guestfd_array->len) { + if (guestfd <= 0 || guestfd >= guestfd_array->len) { return NULL; } |