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qemu: virtiofs: check whether the supplied binary exists

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Report an error upfront if the binary does not exist
or is not executable.

https://bugzilla.redhat.com/show_bug.cgi?id=1999372

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Ján Tomko 2022-01-27 19:18:24 +01:00
parent baa779ea9c
commit 459f8009c2
1 changed files with 7 additions and 0 deletions
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7
src/qemu/qemu_virtiofs.c
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@ -184,6 +184,13 @@ qemuVirtioFSStart(virQEMUDriver *driver,
VIR_AUTOCLOSE logfd = -1;
int rc;
if (!virFileIsExecutable(fs->binary)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("virtiofsd binary '%s' is not executable"),
fs->binary);
return -1;
}
if (!virFileExists(fs->src->path)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("the virtiofs export directory '%s' does not exist"),