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-rw-r--r--tools/intel_reg.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/intel_reg.c b/tools/intel_reg.c
index 2b3c686d..cb3b2d72 100644
--- a/tools/intel_reg.c
+++ b/tools/intel_reg.c
@@ -506,7 +506,8 @@ static int intel_reg_snapshot(struct config *config, int argc, char *argv[])
intel_mmio_use_pci_bar(config->pci_dev);
/* XXX: error handling */
- write(1, igt_global_mmio, config->pci_dev->regions[mmio_bar].size);
+ if (write(1, igt_global_mmio, config->pci_dev->regions[mmio_bar].size) == -1)
+ fprintf(stderr, "Error writing snapshot: %s", strerror(errno));
if (config->verbosity > 0)
printf("use this with --mmio=FILE --devid=0x%04X\n",