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authorChristoph Hellwig <hch@lst.de>2017-09-01 17:39:13 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-04 19:05:15 -0400
commitbdd1d2d3d251c65b74ac4493e08db18971c09240 (patch)
tree71df247eeb367203c59a26eed8a384398c2d8131 /kernel
parentc41fbad015dabb0a40ecca50c3ff5658eb6471ff (diff)
downloadop-kernel-dev-bdd1d2d3d251c65b74ac4493e08db18971c09240.zip
op-kernel-dev-bdd1d2d3d251c65b74ac4493e08db18971c09240.tar.gz
fs: fix kernel_read prototype
Use proper ssize_t and size_t types for the return value and count argument, move the offset last and make it an in/out argument like all other read/write helpers, and make the buf argument a void pointer to get rid of lots of casts in the callers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sysctl_binary.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 02e1859..243fa1c 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -986,8 +986,9 @@ 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;
@@ -1057,8 +1058,9 @@ 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;
@@ -1120,8 +1122,9 @@ static ssize_t bin_uuid(struct file *file,
if (oldval && oldlen) {
char buf[UUID_STRING_LEN + 1];
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;
@@ -1154,8 +1157,9 @@ 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;
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