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dm: Coding style fix: Handle failure of parsing /proc/iomem

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In get_mmio_hpa_resource, although very unlikely, parsing
of /proc/iomem may fail. Handle the case of failure and exit early.

Tracked-On: #7593
Signed-off-by: Yifan Liu <yifan1.liu@intel.com>
This commit is contained in:
Yifan Liu 2022-06-14 06:18:07 +00:00 committed by acrnsi-robot
parent b5d3f93e56
commit 6bbbddd974
1 changed files with 3 additions and 0 deletions
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3
devicemodel/hw/mmio/core.c
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@ -137,6 +137,9 @@ int get_mmio_hpa_resource(char *name, uint64_t *res_start, uint64_t *res_size)
pr_err("Please run acrn-dm with superuser privilege\n"); pr_err("Please run acrn-dm with superuser privilege\n");
break; break;
} }
} else {
pr_err("Parsing /proc/iomem failed\n");
break;
} }
*res_start = start; *res_start = start;