From de4eda9de2d957ef2d6a8365a01e26a435e958cb Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 15 Sep 2022 20:25:47 -0400 Subject: use less confusing names for iov_iter direction initializers READ/WRITE proved to be actively confusing - the meanings are "data destination, as used with read(2)" and "data source, as used with write(2)", but people keep interpreting those as "we read data from it" and "we write data to it", i.e. exactly the wrong way. Call them ITER_DEST and ITER_SOURCE - at least that is harder to misinterpret... Signed-off-by: Al Viro --- arch/s390/kernel/crash_dump.c | 2 +- arch/s390/mm/maccess.c | 2 +- arch/x86/kernel/cpu/microcode/intel.c | 2 +- arch/x86/kernel/crash_dump_64.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) (limited to 'arch') diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 7ad7f20320b9..f3c3cf316f65 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -153,7 +153,7 @@ int copy_oldmem_kernel(void *dst, unsigned long src, size_t count) kvec.iov_base = dst; kvec.iov_len = count; - iov_iter_kvec(&iter, READ, &kvec, 1, count); + iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count); if (copy_oldmem_iter(&iter, src, count) < count) return -EFAULT; return 0; diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index 753b006c8ea5..4824d1cd33d8 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -128,7 +128,7 @@ int memcpy_real(void *dest, unsigned long src, size_t count) kvec.iov_base = dest; kvec.iov_len = count; - iov_iter_kvec(&iter, READ, &kvec, 1, count); + iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count); if (memcpy_real_iter(&iter, src, count) < count) return -EFAULT; return 0; diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 1fcbd671f1df..fdd2c4a754ce 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -908,7 +908,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device, kvec.iov_base = (void *)firmware->data; kvec.iov_len = firmware->size; - iov_iter_kvec(&iter, WRITE, &kvec, 1, firmware->size); + iov_iter_kvec(&iter, ITER_SOURCE, &kvec, 1, firmware->size); ret = generic_load_microcode(cpu, &iter); release_firmware(firmware); diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c index e75bc2f217ff..32d710f7eb84 100644 --- a/arch/x86/kernel/crash_dump_64.c +++ b/arch/x86/kernel/crash_dump_64.c @@ -57,7 +57,7 @@ ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos) struct kvec kvec = { .iov_base = buf, .iov_len = count }; struct iov_iter iter; - iov_iter_kvec(&iter, READ, &kvec, 1, count); + iov_iter_kvec(&iter, ITER_DEST, &kvec, 1, count); return read_from_oldmem(&iter, count, ppos, cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT)); -- cgit v1.2.3