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r11560: Fix core dump if setmntent returns NULL.
Pointed out by Jay Fanlason @ Red Hat. Jeremy. (This used to be commit e8136ae746b5be51b252d900aa732c8106fefcaf)
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@ -67,6 +67,9 @@ static int sys_path_to_bdev(const char *path, char **mntpath, char **bdev, char
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devno = S.st_dev ;
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fp = setmntent(MOUNTED,"r");
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if (fp == NULL) {
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return -1;
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}
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while ((mnt = getmntent(fp))) {
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if ( sys_stat(mnt->mnt_dir,&S) == -1 )
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