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[common] ivshmem: fix failure to check ioctl for error result

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This commit is contained in:
Geoffrey McRae 2023-11-11 13:34:21 +11:00
parent a3b51220ed
commit 9a53880b9b
1 changed files with 7 additions and 1 deletions
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8
common/src/platform/linux/ivshmem.c
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@ -119,7 +119,7 @@ bool ivshmemOpenDev(struct IVSHMEM * dev, const char * shmDevice)
{
DEBUG_ASSERT(dev);
unsigned int devSize;
int devSize;
int devFd;
bool hasDMA;
@ -139,6 +139,12 @@ bool ivshmemOpenDev(struct IVSHMEM * dev, const char * shmDevice)
// get the device size
devSize = ioctl(devFd, KVMFR_DMABUF_GETSIZE, 0);
if (devSize < 0)
{
DEBUG_ERROR("Failed to get the device size");
close(devFd);
return false;
}
hasDMA = true;
}
else