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39 lines
1.0 KiB
39 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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