Fix match_prepath()
Incorrect return value for shares not using the prefix path means that
we will never match superblocks for these shares.
Fixes: commit c1d8b24d18
("Compare prepaths when comparing superblocks")
Cc: stable@vger.kernel.org
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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@ -2912,16 +2912,14 @@ match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data)
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{
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struct cifs_sb_info *old = CIFS_SB(sb);
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struct cifs_sb_info *new = mnt_data->cifs_sb;
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bool old_set = old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
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bool new_set = new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
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if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) {
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if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH))
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return 0;
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/* The prepath should be null terminated strings */
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if (strcmp(new->prepath, old->prepath))
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return 0;
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if (old_set && new_set && !strcmp(new->prepath, old->prepath))
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return 1;
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}
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else if (!old_set && !new_set)
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return 1;
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return 0;
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}
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