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vfio: fix return type of pread 

size_t is an unsigned type, thus the error case is never reached in
the below call to pread.  If bytes is negative, it will be seen as
a very high positive value.

Spotted by Coverity.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-07-06 12:15:12 -06:00 committed by Alex Williamson
parent 7edd8e4660
commit 7d489dcdf5
1 changed files with 1 additions and 1 deletions
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2
hw/vfio/pci.c
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@ -939,7 +939,7 @@ static void vfio_pci_load_rom(VFIOPCIDevice *vdev)
};
uint64_t size;
off_t off = 0;
size_t bytes;
ssize_t bytes;
if (ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_REGION_INFO, &reg_info)) {
error_report("vfio: Error getting ROM info: %m");