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| author | Christoph Hellwig <hch@lst.de> | 2017-09-01 17:39:13 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-09-04 19:05:15 -0400 |
| commit | bdd1d2d3d251c65b74ac4493e08db18971c09240 (patch) | |
| tree | 71df247eeb367203c59a26eed8a384398c2d8131 /fs/binfmt_misc.c | |
| parent | c41fbad015dabb0a40ecca50c3ff5658eb6471ff (diff) | |
| download | linux-stable-bdd1d2d3d251c65b74ac4493e08db18971c09240.tar.gz linux-stable-bdd1d2d3d251c65b74ac4493e08db18971c09240.tar.bz2 linux-stable-bdd1d2d3d251c65b74ac4493e08db18971c09240.zip | |
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 'fs/binfmt_misc.c')
| -rw-r--r-- | fs/binfmt_misc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index f4718098ac31..ce7181ea60fa 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -218,12 +218,15 @@ static int load_misc_binary(struct linux_binprm *bprm) bprm->file = interp_file; if (fmt->flags & MISC_FMT_CREDENTIALS) { + loff_t pos = 0; + /* * No need to call prepare_binprm(), it's already been * done. bprm->buf is stale, update from interp_file. */ memset(bprm->buf, 0, BINPRM_BUF_SIZE); - retval = kernel_read(bprm->file, 0, bprm->buf, BINPRM_BUF_SIZE); + retval = kernel_read(bprm->file, bprm->buf, BINPRM_BUF_SIZE, + &pos); } else retval = prepare_binprm(bprm); |