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Commit ce7f9ab3 authored by Johannes Berg's avatar Johannes Berg
Browse files

iwlwifi: mvm: don't assume data section is at 0x800000 



In theory, the firmware format allows changing the data section
offset. This may not be used today, but there's no reason for
the driver to assume the data section is always at 0x800000 as
it can know better.

Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent b415210b

drivers/net/wireless/iwlwifi/mvm/debugfs.c

+2 −1
Original line number Diff line number Diff line
@@ -147,10 +147,11 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, 


	/* default is to dump the entire data segment */

	if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) {

		mvm->dbgfs_sram_offset = 0x800000;

		if (!mvm->ucode_loaded)

			return -EINVAL;

		img = &mvm->fw->img[mvm->cur_ucode];

		mvm->dbgfs_sram_offset =

			img->sec[IWL_UCODE_SECTION_DATA].offset;

		mvm->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;

	}

	len = mvm->dbgfs_sram_len;