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689f093ebc
This fix resolves warnings reported during compiling of user-space libraries with different gcc optimization levels. Tested with gcc versions: 4.9.2 (Debian), and 6.1.1 (Fedora). The patch enables use of following opt levels: O0, O1, O2, O3, Og, Os, Ofast. List of warnings: [GCC 4.9.2 -Os] libzfs_sendrecv.c:3726:26: error: 'clp' may be used uninitialized in this function [-Werror=maybe-uninitialized] [GCC 4.9.2 -Og] fs_fletcher.c:323:26: error: 'idx' may be used uninitialized in this function [-Werror=maybe-uninitialized] dsl_dataset.c:1290:12: error: 'atp' may be used uninitialized in this function [-Werror=maybe-uninitialized] [GCC 4.9.2 -Ofast] u8_textprep.c:1310:9: error: 'tc[3ul]' may be used uninitialized in this function [-Werror=maybe-uninitialized] u8_textprep.c:177:23: error: 'u8t[0ul]' may be used uninitialized in this function [-Werror=maybe-uninitialized] dsl_dataset.c:2089:37: error: ‘hds’ may be used uninitialized in this function [-Werror=maybe-uninitialized] dsl_dataset.c:3216:2: error: ‘ds’ may be used uninitialized in this function [-Werror=maybe-uninitialized] dsl_dataset.c:1591:2: error: ‘ds’ may be used uninitialized in this function [-Werror=maybe-uninitialized] dsl_dataset.c:3341:2: error: ‘ds’ may be used uninitialized in this function [-Werror=maybe-uninitialized] vdev_raidz.c:1153:8: error: 'dcount[2]' may be used uninitialized in this function [-Werror=maybe-uninitialized] vdev_raidz.c:1167:17: error: 'dst[2]' may be used uninitialized in this function [-Werror=maybe-uninitialized] kernel.c:1005:2: error: ‘resid’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:2826:8: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:3056:35: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:1584:13: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:3056:35: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:1792:66: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] libzfs_dataset.c:3986:35: error: ‘val’ may be used uninitialized in this function [-Werror=maybe-uninitialized] [GCC 6.1.1] Resolved in PR #4907 Signed-off-by: Gvozden Neskovic <neskovic@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #4937 |
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| .. | ||
| .gitignore | ||
| libzfs_changelist.c | ||
| libzfs_config.c | ||
| libzfs_core.pc.in | ||
| libzfs_dataset.c | ||
| libzfs_diff.c | ||
| libzfs_fru.c | ||
| libzfs_import.c | ||
| libzfs_iter.c | ||
| libzfs_mount.c | ||
| libzfs_pool.c | ||
| libzfs_sendrecv.c | ||
| libzfs_status.c | ||
| libzfs_util.c | ||
| libzfs.pc.in | ||
| Makefile.am | ||