android_kernel_samsung_msm8976/arch/arc/lib
Joern Rennecke 0cbf39727e ARC: [lib] strchr breakage in Big-endian configuration
commit b0f55f2a1a295c364be012e82dbab079a2454006 upstream.

For a search buffer, 2 byte aligned, strchr() was returning pointer
outside of buffer (buf - 1)

------------->8----------------
    // Input buffer (default 4 byte aigned)
    char *buffer = "1AA_";

    // actual search start (to mimick 2 byte alignment)
    char *current_line = &(buffer[2]);

    // Character to search for
    char c = 'A';

    char *c_pos = strchr(current_line, c);

    printf("%s\n", c_pos) --> 'AA_' as oppose to 'A_'
------------->8----------------

Reported-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Debugged-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Cc: Noam Camus <noamc@ezchip.com>
Signed-off-by: Joern Rennecke  <joern.rennecke@embecosm.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-08-29 09:47:34 -07:00
..
Makefile
memcmp.S
memcpy-700.S
memset.S
strchr-700.S ARC: [lib] strchr breakage in Big-endian configuration 2013-08-29 09:47:34 -07:00
strcmp.S
strcpy-700.S
strlen.S