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authorMatt Fleming <matt.fleming@intel.com>2012-03-15 23:13:25 +0400
committerH. Peter Anvin <hpa@zytor.com>2012-06-01 20:11:10 +0400
commit30dc0d0fe5d08396dbdaa2d70972149131340960 (patch)
tree7c875693d5e31a18ebe635612503be876472c96e /arch
parentfb21affa49204acd409328415b49bfe90136653c (diff)
downloadlinux-30dc0d0fe5d08396dbdaa2d70972149131340960.tar.xz
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 <mjg@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1331907517-3985-2-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/boot/compressed/eboot.c2
1 files changed, 1 insertions, 1 deletions
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 @@ free_initrd_total:
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);