diff options
Diffstat (limited to 'kernel/sysctl_binary.c')
| -rw-r--r-- | kernel/sysctl_binary.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c index ece4b177052b..e8c0dab4fd65 100644 --- a/kernel/sysctl_binary.c +++ b/kernel/sysctl_binary.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/stat.h> #include <linux/sysctl.h> #include "../fs/xfs/xfs_sysctl.h" @@ -986,8 +987,9 @@ static ssize_t bin_intvec(struct file *file, size_t length = oldlen / sizeof(*vec); char *str, *end; int i; + loff_t pos = 0; - result = kernel_read(file, 0, buffer, BUFSZ - 1); + result = kernel_read(file, buffer, BUFSZ - 1, &pos); if (result < 0) goto out_kfree; @@ -1016,6 +1018,7 @@ static ssize_t bin_intvec(struct file *file, size_t length = newlen / sizeof(*vec); char *str, *end; int i; + loff_t pos = 0; str = buffer; end = str + BUFSZ; @@ -1029,7 +1032,7 @@ static ssize_t bin_intvec(struct file *file, str += scnprintf(str, end - str, "%lu\t", value); } - result = kernel_write(file, buffer, str - buffer, 0); + result = kernel_write(file, buffer, str - buffer, &pos); if (result < 0) goto out_kfree; } @@ -1057,8 +1060,9 @@ static ssize_t bin_ulongvec(struct file *file, size_t length = oldlen / sizeof(*vec); char *str, *end; int i; + loff_t pos = 0; - result = kernel_read(file, 0, buffer, BUFSZ - 1); + result = kernel_read(file, buffer, BUFSZ - 1, &pos); if (result < 0) goto out_kfree; @@ -1087,6 +1091,7 @@ static ssize_t bin_ulongvec(struct file *file, size_t length = newlen / sizeof(*vec); char *str, *end; int i; + loff_t pos = 0; str = buffer; end = str + BUFSZ; @@ -1100,7 +1105,7 @@ static ssize_t bin_ulongvec(struct file *file, str += scnprintf(str, end - str, "%lu\t", value); } - result = kernel_write(file, buffer, str - buffer, 0); + result = kernel_write(file, buffer, str - buffer, &pos); if (result < 0) goto out_kfree; } @@ -1119,16 +1124,17 @@ static ssize_t bin_uuid(struct file *file, /* Only supports reads */ if (oldval && oldlen) { char buf[UUID_STRING_LEN + 1]; - uuid_be uuid; + uuid_t uuid; + loff_t pos = 0; - result = kernel_read(file, 0, buf, sizeof(buf) - 1); + result = kernel_read(file, buf, sizeof(buf) - 1, &pos); if (result < 0) goto out; buf[result] = '\0'; result = -EIO; - if (uuid_be_to_bin(buf, &uuid)) + if (uuid_parse(buf, &uuid)) goto out; if (oldlen > 16) @@ -1154,8 +1160,9 @@ static ssize_t bin_dn_node_address(struct file *file, char buf[15], *nodep; unsigned long area, node; __le16 dnaddr; + loff_t pos = 0; - result = kernel_read(file, 0, buf, sizeof(buf) - 1); + result = kernel_read(file, buf, sizeof(buf) - 1, &pos); if (result < 0) goto out; @@ -1188,6 +1195,7 @@ static ssize_t bin_dn_node_address(struct file *file, __le16 dnaddr; char buf[15]; int len; + loff_t pos = 0; result = -EINVAL; if (newlen != sizeof(dnaddr)) @@ -1201,7 +1209,7 @@ static ssize_t bin_dn_node_address(struct file *file, le16_to_cpu(dnaddr) >> 10, le16_to_cpu(dnaddr) & 0x3ff); - result = kernel_write(file, buf, len, 0); + result = kernel_write(file, buf, len, &pos); if (result < 0) goto out; } @@ -1346,7 +1354,7 @@ static void deprecated_sysctl_warning(const int *name, int nlen) * CTL_KERN/KERN_VERSION is used by older glibc and cannot * ever go away. */ - if (name[0] == CTL_KERN && name[1] == KERN_VERSION) + if (nlen >= 2 && name[0] == CTL_KERN && name[1] == KERN_VERSION) return; if (printk_ratelimit()) { |