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s390/mm: Use goto statement in do_secure_storage_access()

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Make do_secure_storage_access() look more like the do_exception()
by using a goto statement to get rid of an extra open coded
mmap_read_unlock() call.

Just cosmetic, no functional change.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens
2026-07-20 10:58:33 +02:00
committed by Vasily Gorbik
parent da1f5a7dcf
commit e462200886
1 changed files with 3 additions and 4 deletions
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7
arch/s390/mm/fault.c
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@@ -453,10 +453,8 @@ void do_secure_storage_access(struct pt_regs *regs)
if (!vma)
return handle_fault_error_nolock(regs, SEGV_MAPERR);
folio = folio_walk_start(&fw, vma, addr, 0);
if (!folio) {
mmap_read_unlock(mm);
return;
}
if (!folio)
goto out;
/* arch_make_folio_accessible() needs a raised refcount. */
folio_get(folio);
rc = arch_make_folio_accessible(folio);
@@ -464,6 +462,7 @@ void do_secure_storage_access(struct pt_regs *regs)
folio_walk_end(&fw, vma);
if (rc)
return handle_fault_error(regs, SEGV_ACCERR);
out:
mmap_read_unlock(mm);
}
}