PVS-Studio warning V501 for FFMpeg

int attribute_align_arg sws_scale(struct SwsContext *c,
  const uint8_t * const srcSlice[],
  const int srcStride[], int srcSliceY,
  int srcSliceH, uint8_t *const dst[],
  const int dstStride[])
{
  int i, ret;
  const uint8_t *src2[4];
  uint8_t *dst2[4];
  uint8_t *rgb0_tmp = NULL;

  if (!srcSlice || !dstStride || !dst || !srcSlice) {
    av_log(c, AV_LOG_ERROR,
      "One of the input parameters to sws_scale() is NULL, "
      "please check the calling code\n");
    return 0;
  }
  ....
}

This suspicious code was found in FFMpeg project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions '!srcSlice' to the left and to the right of the '||' operator. swscale.c 924

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/