diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coccinelle/inplace-byteswaps.cocci | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/scripts/coccinelle/inplace-byteswaps.cocci b/scripts/coccinelle/inplace-byteswaps.cocci new file mode 100644 index 0000000000..a869a90cbf --- /dev/null +++ b/scripts/coccinelle/inplace-byteswaps.cocci @@ -0,0 +1,65 @@ +// Replace uses of in-place byteswapping functions with calls to the +// equivalent not-in-place functions. This is necessary to avoid +// undefined behaviour if the expression being swapped is a field in a +// packed struct. + +@@ +expression E; +@@ +-be16_to_cpus(&E); ++E = be16_to_cpu(E); +@@ +expression E; +@@ +-be32_to_cpus(&E); ++E = be32_to_cpu(E); +@@ +expression E; +@@ +-be64_to_cpus(&E); ++E = be64_to_cpu(E); +@@ +expression E; +@@ +-cpu_to_be16s(&E); ++E = cpu_to_be16(E); +@@ +expression E; +@@ +-cpu_to_be32s(&E); ++E = cpu_to_be32(E); +@@ +expression E; +@@ +-cpu_to_be64s(&E); ++E = cpu_to_be64(E); +@@ +expression E; +@@ +-le16_to_cpus(&E); ++E = le16_to_cpu(E); +@@ +expression E; +@@ +-le32_to_cpus(&E); ++E = le32_to_cpu(E); +@@ +expression E; +@@ +-le64_to_cpus(&E); ++E = le64_to_cpu(E); +@@ +expression E; +@@ +-cpu_to_le16s(&E); ++E = cpu_to_le16(E); +@@ +expression E; +@@ +-cpu_to_le32s(&E); ++E = cpu_to_le32(E); +@@ +expression E; +@@ +-cpu_to_le64s(&E); ++E = cpu_to_le64(E); |