ARC Linux uses the no legacy syscalls abi and corresponding uClibc headers statfs defines f_type to be U32 which causes perf build breakage http://git.uclibc.org/uClibc/tree/libc/sysdeps/linux/common-generic/bits/statfs.h ----------->8--------------- CC fs/fs.o fs/fs.c: In function 'fs__valid_mount': fs/fs.c:82:24: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] else if (st_fs.f_type != magic) ^ cc1: all warnings being treated as errors ----------->8---------------
Unified · Split
| @@ -67,7 +67,7 @@ int debugfs_valid_mountpoint(const char *debugfs) · 66 unmodified lines | ||
| 67 | 67 | |
| 68 | 68 | if (statfs(debugfs, &st_fs) < 0) |
| 69 | 69 | return -ENOENT; |
| 70 | − else if (st_fs.f_type != (long) DEBUGFS_MAGIC) | |
| 70 | + else if ((long)st_fs.f_type != (long)DEBUGFS_MAGIC) | |
| 71 | 71 | return -ENOENT; |
| 72 | 72 | |
| 73 | 73 | return 0; |
| @@ -79,7 +79,7 @@ static int fs__valid_mount(const char *fs, long magic) · 78 unmodified lines | ||
| 79 | 79 | |
| 80 | 80 | if (statfs(fs, &st_fs) < 0) |
| 81 | 81 | return -ENOENT; |
| 82 | − else if (st_fs.f_type != magic) | |
| 82 | + else if ((long)st_fs.f_type != magic) | |
| 83 | 83 | return -ENOENT; |
| 84 | 84 | |
| 85 | 85 | return 0; |