Commit 9d4ec937 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

mmap-alloc: fix error handling 



Existing callers are checking for MAP_FAILED,
so we should return that on error.

Reported-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 4828b10b

util/mmap-alloc.c

+2 −2
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared) 
    void *ptr1;



    if (ptr == MAP_FAILED) {

        return NULL;

        return MAP_FAILED;

    }



    /* Make sure align is a power of 2 */
@@ -41,7 +41,7 @@ void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared) 
                fd, 0);

    if (ptr1 == MAP_FAILED) {

        munmap(ptr, total);

        return NULL;

        return MAP_FAILED;

    }



    ptr += offset;