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fs: fix kernel_read prototype

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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>
This commit is contained in:
Christoph Hellwig
2017-09-01 17:39:13 +02:00
committed by Al Viro
parent c41fbad015
commit bdd1d2d3d2
17 changed files with 69 additions and 71 deletions
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3
fs/binfmt_aout.c
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@@ -341,11 +341,12 @@ static int load_aout_library(struct file *file)
unsigned long error;
int retval;
struct exec ex;
loff_t pos = 0;
inode = file_inode(file);
retval = -ENOEXEC;
error = kernel_read(file, 0, (char *) &ex, sizeof(ex));
error = kernel_read(file, &ex, sizeof(ex), &pos);
if (error != sizeof(ex))
goto out;