Rework the description of function cmp_pe_section().

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 lib/efi_loader/efi_image_loader.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/efi_loader/efi_image_loader.c 
b/lib/efi_loader/efi_image_loader.c
index 9078d61980..d03bff8dcd 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -212,14 +212,16 @@ static void efi_set_code_and_data_type(

 #ifdef CONFIG_EFI_SECURE_BOOT
 /**
- * cmp_pe_section() - compare two sections
- * @arg1:      Pointer to pointer to first section
- * @arg2:      Pointer to pointer to second section
+ * cmp_pe_section() - compare virtual addresses of two PE image sections
+ * @arg1:      pointer to pointer to first section header
+ * @arg2:      pointer to pointer to second section header
  *
- * Compare two sections in PE image.
+ * Compare the virtual addresses of two sections of an portable executable.
+ * The arguments are defined as const void * to allow usage with qsort().
  *
- * Return:     -1, 0, 1 respectively if arg1 < arg2, arg1 == arg2 or
- *             arg1 > arg2
+ * Return:     -1 if the virtual address of arg1 is less than that of arg2,
+ *             0 if the virtual addresses are equal, 1 if the virtual address
+ *             of arg1 is greater than that of arg2.
  */
 static int cmp_pe_section(const void *arg1, const void *arg2)
 {
--
2.26.2

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