Fixes for issues found with cppcheck tool #4865
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Nice! This will allow us to add a cppcheck step the to buildbot so we can keep at least keep the code cppcheck clean. This patch does miss one warning in |
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I see, it might be cppcheck version ( |
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I was running with |
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Ok, I just tried latest v1.74, and it gives two additional hits: Both of these seem wrong. As if var arg analysis is confused by switch statement somehow. |
| char pool[MAXNAMELEN]; | ||
| char dataset[MAXNAMELEN]; | ||
| char pool[MAXNAMELEN] = { 0 }; | ||
| char dataset[MAXNAMELEN] = { 0 }; |
The patch fixes small number of errors/false positives reported by `cppcheck`, static analysis tool for C/C++. cppcheck 1.72 $ cppcheck . --force --quiet [cmd/zfs/zfs_main.c:4444]: (error) Possible null pointer dereference: who_perm [cmd/zfs/zfs_main.c:4445]: (error) Possible null pointer dereference: who_perm [cmd/zfs/zfs_main.c:4446]: (error) Possible null pointer dereference: who_perm [cmd/zpool/zpool_iter.c:317]: (error) Uninitialized variable: nvroot [cmd/zpool/zpool_vdev.c:1526]: (error) Memory leak: child [lib/libefi/rdwr_efi.c:1118]: (error) Memory leak: efi_label [lib/libuutil/uu_misc.c:207]: (error) va_list 'args' was opened but not closed by va_end(). [lib/libzfs/libzfs_import.c:1554]: (error) Dangerous usage of 'diskname' (strncpy doesn't always null-terminate it). [lib/libzfs/libzfs_sendrecv.c:3279]: (error) Dereferencing 'cp' after it is deallocated / released [tests/zfs-tests/cmd/file_write/file_write.c:154]: (error) Possible null pointer dereference: operation [tests/zfs-tests/cmd/randfree_file/randfree_file.c:90]: (error) Memory leak: buf [cmd/zinject/zinject.c:1068]: (error) Uninitialized variable: dataset Issue openzfs#1392 Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
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Merged as: a64f903 Fixes for issues found with cppcheck tool |
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The patch fixes small number of errors/false positives reported by
cppcheckstatic analysis tool for C/C++.List of errors:
Issue #1392