mips: fix potential fopen(NULL,...)

Spotted thanks to ASAN.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180104160523.22995-18-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-01-04 17:05:22 +01:00 committed by Paolo Bonzini
parent 6b2fef7391
commit b7438458a1

View File

@ -80,7 +80,7 @@ static int nvram_post_load(void *opaque, int version_id)
}
/* Write back nvram contents */
s->file = fopen(s->filename, "wb");
s->file = s->filename ? fopen(s->filename, "wb") : NULL;
if (s->file) {
/* Write back contents, as 'wb' mode cleaned the file */
if (fwrite(s->contents, s->chip_size, 1, s->file) != 1) {
@ -126,7 +126,7 @@ static int nvram_sysbus_initfn(SysBusDevice *dev)
sysbus_init_mmio(dev, &s->iomem);
/* Read current file */
file = fopen(s->filename, "rb");
file = s->filename ? fopen(s->filename, "rb") : NULL;
if (file) {
/* Read nvram contents */
if (fread(s->contents, s->chip_size, 1, file) != 1) {