Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 45812master
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Sat, 23 May 2015 09:15:33 +0200
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Subject: [PATCH] brcmfmac: allow NVRAM values to contain spaces
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Platform NVRAMs often contain values with spaces. Even if right now most
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firmware-supported entries are simple values, we shouldn't reject these
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with spaces. It was semi-confirmed by Broadcom in the early patch adding
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support for platform NVRAMs.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Acked-by: Arend van Spriel <arend@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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--- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
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+++ b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c
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@@ -66,6 +66,12 @@ struct nvram_parser {
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bool multi_dev_v2;
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};
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+/**
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+ * is_nvram_char() - check if char is a valid one for NVRAM entry
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+ *
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+ * It accepts all printable ASCII chars except for '#' which opens a comment.
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+ * Please note that ' ' (space) while accepted is not a valid key name char.
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+ */
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static bool is_nvram_char(char c)
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{
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/* comment marker excluded */
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@@ -73,7 +79,7 @@ static bool is_nvram_char(char c)
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return false;
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/* key and value may have any other readable character */
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- return (c > 0x20 && c < 0x7f);
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+ return (c >= 0x20 && c < 0x7f);
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}
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static bool is_whitespace(char c)
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@@ -120,7 +126,7 @@ static enum nvram_parser_state brcmf_nvr
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nvp->multi_dev_v1 = true;
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if (strncmp(&nvp->fwnv->data[nvp->entry], "pcie/", 5) == 0)
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nvp->multi_dev_v2 = true;
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- } else if (!is_nvram_char(c)) {
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+ } else if (!is_nvram_char(c) || c == ' ') {
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brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n",
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nvp->line, nvp->column);
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return COMMENT;
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