diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c index 5329b55..a9aa483 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c @@ -111,6 +111,8 @@ ShellCommandRunDblk ( UINT64 BlockCount;
EFI_DEVICE_PATH_PROTOCOL *DevPath;
+ Lba = 0;
+ BlockCount = 0;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
@@ -186,7 +188,7 @@ ShellCommandRunDblk ( //
// do the work if we have a valid block identifier
//
- if (gEfiShellProtocol->GetDevicePathFromMap (BlockName) == NULL) {
+ if ((BlockName == NULL) || (gEfiShellProtocol->GetDevicePathFromMap (BlockName) == NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockName);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
|