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powerpc/secvar: Fix incorrect return in secvar_sysfs_load()
secvar_ops->get_next() returns -ENOENT when there are no more variables
to return, which is expected behaviour.
Fix this by returning 0 if get_next() returns -ENOENT.
This fixes an issue introduced in commit bd5d9c743d
("powerpc: expose
secure variables to userspace via sysfs"), but the return code of
secvar_sysfs_load() was never checked so this issue never mattered.
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230210080401.345462-4-ajd@linux.ibm.com
This commit is contained in:
parent
fcf63d6b8a
commit
c9fd295275
1 changed files with 4 additions and 2 deletions
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@ -179,8 +179,10 @@ static int secvar_sysfs_load(void)
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rc = secvar_ops->get_next(name, &namesize, NAME_MAX_SIZE);
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if (rc) {
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if (rc != -ENOENT)
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pr_err("error getting secvar from firmware %d\n",
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rc);
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pr_err("error getting secvar from firmware %d\n", rc);
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else
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rc = 0;
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break;
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}
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