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authorMarc-André Lureau <marcandre.lureau@redhat.com>2018-01-04 17:05:22 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2018-01-16 14:54:50 +0100
commitb7438458a1f801096afe984e959855e77d22dc2e (patch)
tree2ad86805d31cf203462b81b8c189a7b4a3f06c13 /hw/nvram
parent6b2fef739127ee6135d5ccc2da0bf1f3bebf66b7 (diff)
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>
Diffstat (limited to 'hw/nvram')
-rw-r--r--hw/nvram/ds1225y.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/nvram/ds1225y.c b/hw/nvram/ds1225y.c
index 57d5ab2154..ad7345f288 100644
--- a/hw/nvram/ds1225y.c
+++ b/hw/nvram/ds1225y.c
@@ -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) {