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authorKees Cook <keescook@chromium.org>2020-10-02 10:38:19 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-05 13:37:03 +0200
commit885352881f11f1f3113d8eb877786bcb6d720544 (patch)
treeccd23c1c8312552381157d8c8848415aa82901bc /kernel/kexec_file.c
parent113eeb517780add2b38932a61d4e4440a73eb72a (diff)
downloadlinux-885352881f11f1f3113d8eb877786bcb6d720544.tar.bz2
fs/kernel_read_file: Add file_size output argument
In preparation for adding partial read support, add an optional output argument to kernel_read_file*() that reports the file size so callers can reason more easily about their reading progress. Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: James Morris <jamorris@linux.microsoft.com> Acked-by: Scott Branden <scott.branden@broadcom.com> Link: https://lore.kernel.org/r/20201002173828.2099543-8-keescook@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/kexec_file.c')
-rw-r--r--kernel/kexec_file.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index b20cfde8a01d..ee51c1028658 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -222,7 +222,7 @@ kimage_file_prepare_segments(struct kimage *image, int kernel_fd, int initrd_fd,
void *ldata;
ret = kernel_read_file_from_fd(kernel_fd, &image->kernel_buf,
- INT_MAX, READING_KEXEC_IMAGE);
+ INT_MAX, NULL, READING_KEXEC_IMAGE);
if (ret < 0)
return ret;
image->kernel_buf_len = ret;
@@ -242,7 +242,7 @@ kimage_file_prepare_segments(struct kimage *image, int kernel_fd, int initrd_fd,
/* It is possible that there no initramfs is being loaded */
if (!(flags & KEXEC_FILE_NO_INITRAMFS)) {
ret = kernel_read_file_from_fd(initrd_fd, &image->initrd_buf,
- INT_MAX,
+ INT_MAX, NULL,
READING_KEXEC_INITRAMFS);
if (ret < 0)
goto out;