From 30dc0d0fe5d08396dbdaa2d70972149131340960 Mon Sep 17 00:00:00 2001 From: Matt Fleming Date: Thu, 15 Mar 2012 19:13:25 +0000 Subject: [PATCH] x86, efi: Only close open files in error path The loop at the 'close_handles' label in handle_ramdisks() should be using 'i', which represents the number of initrd files that were successfully opened, not 'nr_initrds' which is the number of initrd= arguments passed on the command line. Currently, if we execute the loop to close all file handles and we failed to open any initrds we'll try to call the close function on a garbage pointer, causing the machine to hang. Cc: Matthew Garrett Signed-off-by: Matt Fleming Link: http://lkml.kernel.org/r/1331907517-3985-2-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin --- arch/x86/boot/compressed/eboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 2c14e76bb4c7..52a4e667b258 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -674,7 +674,7 @@ static efi_status_t handle_ramdisks(efi_loaded_image_t *image, low_free(initrd_total, initrd_addr); close_handles: - for (k = j; k < nr_initrds; k++) + for (k = j; k < i; k++) efi_call_phys1(fh->close, initrds[k].handle); free_initrds: efi_call_phys1(sys_table->boottime->free_pool, initrds); -- GitLab