exec: Simplify remove_arg_zero() error path
We don't need the "out" label any more, so remove "ret" and return directly on error. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Kees Cook <keescook@chromium.org> --- Cc: Eric Biederman <ebiederm@xmission.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <brauner@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org
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parent
1710742994
commit
725d502612
10
fs/exec.c
10
fs/exec.c
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@ -1720,7 +1720,6 @@ static int prepare_binprm(struct linux_binprm *bprm)
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*/
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int remove_arg_zero(struct linux_binprm *bprm)
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{
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int ret = 0;
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unsigned long offset;
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char *kaddr;
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struct page *page;
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@ -1731,10 +1730,8 @@ int remove_arg_zero(struct linux_binprm *bprm)
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do {
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offset = bprm->p & ~PAGE_MASK;
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page = get_arg_page(bprm, bprm->p, 0);
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if (!page) {
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ret = -EFAULT;
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goto out;
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}
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if (!page)
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return -EFAULT;
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kaddr = kmap_local_page(page);
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for (; offset < PAGE_SIZE && kaddr[offset];
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@ -1748,8 +1745,7 @@ int remove_arg_zero(struct linux_binprm *bprm)
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bprm->p++;
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bprm->argc--;
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out:
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return ret;
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return 0;
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}
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EXPORT_SYMBOL(remove_arg_zero);
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