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libzutil: fix dm_get_underlying_path() return if not a DM device 

For example, this would happily return "/dev/(null)" for /dev/sda1

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11935
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наб 2021-04-29 10:40:39 +02:00 committed by Brian Behlendorf
parent ccb46cab50
commit 1a7d7182ac
1 changed files with 1 additions and 1 deletions
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lib/libzutil/os/linux/zutil_device_path_os.c
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@ -346,7 +346,7 @@ end:
free(tmp); free(tmp);
free(realp); free(realp);
if (!path) { if (!path && first_path) {
/* /*
* None of the underlying paths had a link back to their * None of the underlying paths had a link back to their
* enclosure devices. Throw up out hands and return the first * enclosure devices. Throw up out hands and return the first