diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-22 12:44:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-22 12:44:20 +0200 |
commit | 3568b71d46bea87da1936902b6fbb2a3b1154b3d (patch) | |
tree | 621ba4ccef15b87ce16f0fc2cc1e9b2a3f565ffc /fs/autofs4/dev-ioctl.c | |
parent | 2a3313f494c2f3f74a27d66f0f14b38558b7dba2 (diff) | |
parent | 091069740304c979f957ceacec39c461d0192158 (diff) |
Merge commit 'v2.6.30-rc3' into x86/urgent
Merge reason: hpet.c changed upstream, make sure we test against that
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/autofs4/dev-ioctl.c')
-rw-r--r-- | fs/autofs4/dev-ioctl.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 9e5ae8a4f5c8..84168c0dcc2d 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -54,11 +54,10 @@ static int check_name(const char *name) * Check a string doesn't overrun the chunk of * memory we copied from user land. */ -static int invalid_str(char *str, void *end) +static int invalid_str(char *str, size_t size) { - while ((void *) str <= end) - if (!*str++) - return 0; + if (memchr(str, 0, size)) + return 0; return -EINVAL; } @@ -138,8 +137,7 @@ static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param) } if (param->size > sizeof(*param)) { - err = invalid_str(param->path, - (void *) ((size_t) param + param->size)); + err = invalid_str(param->path, param->size - sizeof(*param)); if (err) { AUTOFS_WARN( "path string terminator missing for cmd(0x%08x)", @@ -488,7 +486,7 @@ static int autofs_dev_ioctl_requester(struct file *fp, } path = param->path; - devid = sbi->sb->s_dev; + devid = new_encode_dev(sbi->sb->s_dev); param->requester.uid = param->requester.gid = -1; |