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autoconf: Fail when __copy_from_user_inatomic is a non-GPL symbol

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A followup to 849c14e048
Fix https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009242

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13389
This commit is contained in:
szubersk
2022-05-07 00:53:42 +00:00
committed by Brian Behlendorf
parent f567d67fda
commit e0911f7b7f
2 changed files with 5 additions and 6 deletions
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module/os/linux/zfs/zfs_uio.c
-4
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@@ -75,7 +75,6 @@ zfs_uiomove_iov(void *p, size_t n, zfs_uio_rw_t rw, zfs_uio_t *uio)
} else {
unsigned long b_left = 0;
if (uio->uio_fault_disable) {
#if defined(HAVE___COPY_FROM_USER_INATOMIC)
if (!zfs_access_ok(VERIFY_READ,
(iov->iov_base + skip), cnt)) {
return (EFAULT);
@@ -85,9 +84,6 @@ zfs_uiomove_iov(void *p, size_t n, zfs_uio_rw_t rw, zfs_uio_t *uio)
__copy_from_user_inatomic(p,
(iov->iov_base + skip), cnt);
pagefault_enable();
#else
return (EFAULT);
#endif
} else {
b_left =
copy_from_user(p,