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qemu-config: fix memory leak on ferror()
The leak is basically impossible to reach, since the only common way
to get ferror(fp) is by passing a directory to -readconfig. In that
case, the error occurs before qdict is set to anything non-NULL.
However, it's theoretically possible to get there after an EIO.
Cc: armbru@redhat.com
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: f7544edcd3
("qemu-config: add error propagation to qemu_config_parse", 2021-03-06)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
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commit
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@ -414,7 +414,7 @@ static int qemu_config_foreach(FILE *fp, QEMUConfigCB *cb, void *opaque,
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if (ferror(fp)) {
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loc_pop(&loc);
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error_setg_errno(errp, errno, "Cannot read config file");
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return res;
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goto out_no_loc;
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}
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res = count;
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if (qdict) {
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@ -422,6 +422,7 @@ static int qemu_config_foreach(FILE *fp, QEMUConfigCB *cb, void *opaque,
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}
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out:
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loc_pop(&loc);
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out_no_loc:
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qobject_unref(qdict);
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return res;
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}
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