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40 lines
1.0 KiB
40 lines
1.0 KiB
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Sun, 19 Jul 2020 17:14:15 -0400
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Subject: [PATCH] efi+http: fix some allocation error checking.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/net/efi/http.c | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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diff --git a/grub-core/net/efi/http.c b/grub-core/net/efi/http.c
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index fc8cb25ae0a..26647a50fa4 100644
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--- a/grub-core/net/efi/http.c
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+++ b/grub-core/net/efi/http.c
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@@ -412,8 +412,8 @@ grub_efihttp_open (struct grub_efi_net_device *dev,
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int type)
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{
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grub_err_t err;
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- grub_off_t size;
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- char *buf;
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+ grub_off_t size = 0;
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+ char *buf = NULL;
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char *file_name = NULL;
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const char *http_path;
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@@ -441,8 +441,11 @@ grub_efihttp_open (struct grub_efi_net_device *dev,
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return err;
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}
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- buf = grub_malloc (size);
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- efihttp_read (dev, buf, size);
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+ if (size)
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+ {
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+ buf = grub_malloc (size);
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+ efihttp_read (dev, buf, size);
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+ }
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file->size = size;
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file->data = buf;
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